Reland of move all reference to carbon api (patchset #1 id:1 of https://codereview.webrtc.org/2317343003/ )

Reason for revert:
Build issues have now _really_ been fixed

Original issue's description:
> Revert of move all reference to carbon api (patchset #2 id:300001 of https://codereview.webrtc.org/2321493002/ )
>
> Reason for revert:
> Still breaks Chromium mac compile:
> [4542/22193] CXX obj/third_party/webrtc/base/rtc_base/unixfilesystem.o
> FAILED: obj/third_party/webrtc/base/rtc_base/unixfilesystem.o
> /b/c/cipd/goma/gomacc ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/third_party/webrtc/base/rtc_base/unixfilesystem.o.d -DLOGGING=1 -DV8_DEPRECATION_WARNINGS -DENABLE_NOTIFICATIONS -DENABLE_PEPPER_CDMS -DENABLE_PLUGINS=1 -DENABLE_PDF=1 -DENABLE_PRINTING=1 -DENABLE_BASIC_PRINTING=1 -DENABLE_PRINT_PREVIEW=1 -DENABLE_SPELLCHECK=1 -DUSE_BROWSER_SPELLCHECKER=1 -DDCHECK_ALWAYS_ON=1 -DNO_TCMALLOC -DUSE_EXTERNAL_POPUP_MENU=1 -DENABLE_WEBRTC=1 -DENABLE_EXTENSIONS=1 -DENABLE_TASK_MANAGER=1 -DENABLE_THEMES=1 -DENABLE_CAPTIVE_PORTAL_DETECTION=1 -DENABLE_SESSION_SERVICE=1 -DENABLE_PLUGIN_INSTALLATION=1 -DENABLE_SUPERVISED_USERS=1 -DENABLE_SERVICE_DISCOVERY=1 -DUSE_PROPRIETARY_CODECS -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DENABLE_MEDIA_ROUTER=1 -DFIELDTRIAL_TESTING_ENABLED -DCR_CLANG_REVISION=280106-1 -DCR_XCODE_VERSION=0511 -D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DWEBRTC_RESTRICT_LOGGING -DEXPAT_RELATIVE_PATH -DENABLE_EXTERNAL_AUTH -DHAVE_OPENSSL_SSL_H -DHAVE_SCTP -DHAVE_SRTP -DHAVE_WEBRTC_VIDEO -DHAVE_WEBRTC_VOICE -DLOGGING_INSIDE_WEBRTC -DSRTP_RELATIVE_PATH -DSSL_USE_OPENSSL -DUSE_WEBRTC_DEV_BRANCH -DSSL_USE_OPENSSL -DHAVE_OPENSSL_SSL_H -DFEATURE_ENABLE_SSL -DLOGGING=1 -DFEATURE_ENABLE_SSL -DFEATURE_ENABLE_VOICEMAIL -DEXPAT_RELATIVE_PATH -DGTEST_RELATIVE_PATH -DNO_MAIN_THREAD_WRAPPING -DNO_SOUND_SYSTEM -DWEBRTC_CHROMIUM_BUILD -DWEBRTC_POSIX -DWEBRTC_MAC -DNO_MAIN_THREAD_WRAPPING -I../../third_party/webrtc_overrides -I../../third_party/boringssl/src/include -I../.. -Igen -I../../third_party/jsoncpp/overrides/include -I../../third_party/jsoncpp/source/include -I../../third_party/webrtc_overrides -I../../third_party -I../../third_party/boringssl/src/include -Wno-uninitialized -fno-strict-aliasing -fstack-protector -fcolor-diagnostics -arch x86_64 -O2 -g1 -isysroot /Applications/Xcode5.1.1.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk -mmacosx-version-min=10.7 -fvisibility=hidden -Xclang -load -Xclang ../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.dylib -Xclang -add-plugin -Xclang find-bad-constructs -Wheader-hygiene -Wstring-conversion -Werror -Wall -Wno-unused-variable -Wpartial-availability -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-deprecated-register -Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Wno-shift-negative-value -Wno-undefined-var-template -Wno-nonportable-include-path -Wno-address-of-packed-member -fno-threadsafe-statics -fvisibility-inlines-hidden -std=c++11 -stdlib=libc++ -fno-rtti -fno-exceptions -c ../../third_party/webrtc/base/unixfilesystem.cc -o obj/third_party/webrtc/base/rtc_base/unixfilesystem.o
> ../../third_party/webrtc/base/unixfilesystem.cc:375:11: error: variable has incomplete type 'FSRef'
>     FSRef fr;
>           ^
> /Applications/Xcode5.1.1.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk/System/Library/Frameworks/CoreFoundation.framework/Headers/CFURL.h:467:8: note: forward declaration of 'FSRef'
> struct FSRef;
>        ^
> ../../third_party/webrtc/base/unixfilesystem.cc:376:27: error: use of undeclared identifier 'kUserDomain'
>     if (0 != FSFindFolder(kUserDomain, kApplicationSupportFolderType,
>                           ^
> ../../third_party/webrtc/base/unixfilesystem.cc:376:40: error: use of undeclared identifier 'kApplicationSupportFolderType'
>     if (0 != FSFindFolder(kUserDomain, kApplicationSupportFolderType,
>                                        ^
> ../../third_party/webrtc/base/unixfilesystem.cc:377:27: error: use of undeclared identifier 'kCreateFolder'; did you mean 'CreateFolder'?
>                           kCreateFolder, &fr))
>                           ^~~~~~~~~~~~~
>                           CreateFolder
> ../../third_party/webrtc/base/unixfilesystem.cc:92:22: note: 'CreateFolder' declared here
> bool UnixFilesystem::CreateFolder(const Pathname &path, mode_t mode) {
>
> Original issue's description:
> > Reland of move all reference to carbon api (patchset #1 id:1 of https://codereview.webrtc.org/2316563002/ )
> >
> > Reason for revert:
> > Chromium build issues have been resolved.
> >
> > Original issue's description:
> > > Revert of Remove all reference to carbon api (patchset #2 id:20001 of https://codereview.webrtc.org/2299633002/ )
> > >
> > > Reason for revert:
> > > Breaks chromium build
> > >
> > > Original issue's description:
> > > > Remove all reference to carbon api
> > > >
> > > > BUG=webrtc:6282
> > > >
> > > > Committed: https://crrev.com/dbd8b6bec4143c940b2f2ca8cd85c25d17327964
> > > > Cr-Commit-Position: refs/heads/master@{#14080}
> > >
> > > TBR=magjed@webrtc.org,mflodman@webrtc.org
> > > # Skipping CQ checks because original CL landed less than 1 days ago.
> > > NOPRESUBMIT=true
> > > NOTREECHECKS=true
> > > NOTRY=true
> > > BUG=webrtc:6282
> > >
> > > Committed: https://crrev.com/b096aa7fd375a980daab3a986596548ca5de2a1c
> > > Cr-Commit-Position: refs/heads/master@{#14081}
> >
> > TBR=magjed@webrtc.org,mflodman@webrtc.org
> > # Not skipping CQ checks because original CL landed more than 1 days ago.
> > BUG=webrtc:6282
> >
> > Committed: https://crrev.com/a90879b64fd8db57c0274169311d6b51dd59f1a0
> > Cr-Commit-Position: refs/heads/master@{#14125}
>
> TBR=mflodman@webrtc.org,kthelgason@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:6282
>
> Committed: https://crrev.com/4e0581f543b026cbc31c3b24cf65c7f51dcd6124
> Cr-Commit-Position: refs/heads/master@{#14133}

TBR=mflodman@webrtc.org,magjed@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6282

Review-Url: https://codereview.webrtc.org/2327573002
Cr-Commit-Position: refs/heads/master@{#14155}
diff --git a/webrtc/BUILD.gn b/webrtc/BUILD.gn
index f9845a3..c33055c 100644
--- a/webrtc/BUILD.gn
+++ b/webrtc/BUILD.gn
@@ -559,10 +559,6 @@
         "base/sslstreamadapter_unittest.cc",
       ]
     }
-    if (is_ios || (is_mac && target_cpu != "x86")) {
-      defines = [ "CARBON_DEPRECATED=YES" ]
-    }
-
     if (rtc_use_quic) {
       sources += [
         "p2p/quic/quicconnectionhelper_unittest.cc",
@@ -825,9 +821,6 @@
     if (is_mac) {
       sources += [ "base/macsocketserver_unittest.cc" ]
     }
-    if (is_ios || (is_mac && target_cpu != "x86")) {
-      defines = [ "CARBON_DEPRECATED=YES" ]
-    }
     if (is_clang) {
       # Suppress warnings from the Chromium Clang plugin.
       # See http://code.google.com/p/webrtc/issues/detail?id=163 for details.
diff --git a/webrtc/base/BUILD.gn b/webrtc/base/BUILD.gn
index a415efb..ec92cce 100644
--- a/webrtc/base/BUILD.gn
+++ b/webrtc/base/BUILD.gn
@@ -63,9 +63,6 @@
       "Security.framework",
       "SystemConfiguration.framework",
     ]
-    if (current_cpu == "x86") {
-      libs += [ "Carbon.framework" ]
-    }
   }
 }
 
@@ -289,6 +286,7 @@
   defines = [ "LOGGING=1" ]
 
   sources = [
+    "applefilesystem.mm",
     "arraysize.h",
     "asyncfile.cc",
     "asyncfile.h",
@@ -337,7 +335,6 @@
     "httpcommon.h",
     "httprequest.cc",
     "httprequest.h",
-    "iosfilesystem.mm",
     "ipaddress.cc",
     "ipaddress.h",
     "linked_ptr.h",
@@ -667,10 +664,6 @@
     }
   }
 
-  if (is_ios || (is_mac && current_cpu != "x86")) {
-    defines += [ "CARBON_DEPRECATED=YES" ]
-  }
-
   if (is_linux || is_android) {
     sources += [
       "linux.cc",
diff --git a/webrtc/base/iosfilesystem.mm b/webrtc/base/applefilesystem.mm
similarity index 84%
rename from webrtc/base/iosfilesystem.mm
rename to webrtc/base/applefilesystem.mm
index eb4bbec..9f015ed 100644
--- a/webrtc/base/iosfilesystem.mm
+++ b/webrtc/base/applefilesystem.mm
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-// This file only exists because various iOS system APIs are only
-// available from Objective-C.  See unixfilesystem.cc for the only use
+// This file only exists because various iOS and macOS system APIs are only
+// available from Objective-C. See unixfilesystem.cc for the only use
 // (enforced by a lack of a header file).
 
 #import <Foundation/NSPathUtilities.h>
@@ -33,7 +33,7 @@
 }
 
 // Return a (leaked) copy of a directory name suitable for application data.
-char* IOSDataDirectory() {
+char* AppleDataDirectory() {
   NSArray* paths = NSSearchPathForDirectoriesInDomains(
       NSApplicationSupportDirectory, NSUserDomainMask, YES);
   ASSERT([paths count] == 1);
@@ -41,13 +41,13 @@
 }
 
 // Return a (leaked) copy of a directory name suitable for use as a $TEMP.
-char* IOSTempDirectory() {
+char* AppleTempDirectory() {
   return copyString(NSTemporaryDirectory());
 }
 
 // Return the binary's path.
-void IOSAppName(rtc::Pathname* path) {
-  NSProcessInfo *pInfo = [NSProcessInfo processInfo];
+void AppleAppName(rtc::Pathname* path) {
+  NSProcessInfo* pInfo = [NSProcessInfo processInfo];
   NSString* argv0 = [[pInfo arguments] objectAtIndex:0];
   path->SetPathname([argv0 UTF8String]);
 }
diff --git a/webrtc/base/base.gyp b/webrtc/base/base.gyp
index 93f87b2..9baecd6 100644
--- a/webrtc/base/base.gyp
+++ b/webrtc/base/base.gyp
@@ -229,6 +229,7 @@
         'LOGGING=1',
       ],
       'sources': [
+        'applefilesystem.mm',
         'arraysize.h',
         'asyncfile.cc',
         'asyncfile.h',
@@ -277,7 +278,6 @@
         'httpcommon.h',
         'httprequest.cc',
         'httprequest.h',
-        'iosfilesystem.mm',
         'ipaddress.cc',
         'ipaddress.h',
         'linked_ptr.h',
@@ -603,19 +603,6 @@
               },
             },
           },
-          'conditions': [
-            ['target_arch=="ia32"', {
-              'all_dependent_settings': {
-                'link_settings': {
-                  'xcode_settings': {
-                    'OTHER_LDFLAGS': [
-                      '-framework Carbon',
-                    ],
-                  },
-                },
-              },
-            }],
-          ],
         }],
         ['OS=="win" and nacl_untrusted_build==0', {
           'sources': [
@@ -664,11 +651,6 @@
             },
           }
         }],
-        ['OS=="ios" or (OS=="mac" and target_arch!="ia32")', {
-          'defines': [
-            'CARBON_DEPRECATED=YES',
-          ],
-        }],
         ['OS=="linux" or OS=="android"', {
           'sources': [
             'linux.cc',
diff --git a/webrtc/base/macsocketserver.cc b/webrtc/base/macsocketserver.cc
index 96b2091..b763e81 100644
--- a/webrtc/base/macsocketserver.cc
+++ b/webrtc/base/macsocketserver.cc
@@ -212,175 +212,4 @@
   ASSERT(run_loop_ == CFRunLoopGetCurrent());
   CFRunLoopStop(run_loop_);
 }
-
-///////////////////////////////////////////////////////////////////////////////
-// MacCarbonSocketServer
-///////////////////////////////////////////////////////////////////////////////
-#ifndef CARBON_DEPRECATED
-
-const UInt32 kEventClassSocketServer = 'MCSS';
-const UInt32 kEventWakeUp = 'WAKE';
-const EventTypeSpec kEventWakeUpSpec[] = {
-  { kEventClassSocketServer, kEventWakeUp }
-};
-
-std::string DecodeEvent(EventRef event) {
-  std::string str;
-  DecodeFourChar(::GetEventClass(event), &str);
-  str.push_back(':');
-  DecodeFourChar(::GetEventKind(event), &str);
-  return str;
-}
-
-MacCarbonSocketServer::MacCarbonSocketServer()
-    : event_queue_(GetCurrentEventQueue()), wake_up_(NULL) {
-  VERIFY(noErr == CreateEvent(NULL, kEventClassSocketServer, kEventWakeUp, 0,
-                              kEventAttributeUserEvent, &wake_up_));
-}
-
-MacCarbonSocketServer::~MacCarbonSocketServer() {
-  if (wake_up_) {
-    ReleaseEvent(wake_up_);
-  }
-}
-
-bool MacCarbonSocketServer::Wait(int cms, bool process_io) {
-  ASSERT(GetCurrentEventQueue() == event_queue_);
-
-  // Listen to all events if we're processing I/O.
-  // Only listen for our wakeup event if we're not.
-  UInt32 num_types = 0;
-  const EventTypeSpec* events = NULL;
-  if (!process_io) {
-    num_types = GetEventTypeCount(kEventWakeUpSpec);
-    events = kEventWakeUpSpec;
-  }
-
-  EventTargetRef target = GetEventDispatcherTarget();
-  EventTimeout timeout =
-      (kForever == cms) ? kEventDurationForever : cms / 1000.0;
-  EventTimeout end_time = GetCurrentEventTime() + timeout;
-
-  bool done = false;
-  while (!done) {
-    EventRef event;
-    OSStatus result = ReceiveNextEvent(num_types, events, timeout, true,
-                                       &event);
-    if (noErr == result) {
-      if (wake_up_ != event) {
-        LOG_F(LS_VERBOSE) << "Dispatching event: " << DecodeEvent(event);
-        result = SendEventToEventTarget(event, target);
-        if ((noErr != result) && (eventNotHandledErr != result)) {
-          LOG_E(LS_ERROR, OS, result) << "SendEventToEventTarget";
-        }
-      } else {
-        done = true;
-      }
-      ReleaseEvent(event);
-    } else if (eventLoopTimedOutErr == result) {
-      ASSERT(cms != kForever);
-      done = true;
-    } else if (eventLoopQuitErr == result) {
-      // Ignore this... we get spurious quits for a variety of reasons.
-      LOG_E(LS_VERBOSE, OS, result) << "ReceiveNextEvent";
-    } else {
-      // Some strange error occurred. Log it.
-      LOG_E(LS_WARNING, OS, result) << "ReceiveNextEvent";
-      return false;
-    }
-    if (kForever != cms) {
-      timeout = end_time - GetCurrentEventTime();
-    }
-  }
-  return true;
-}
-
-void MacCarbonSocketServer::WakeUp() {
-  if (!IsEventInQueue(event_queue_, wake_up_)) {
-    RetainEvent(wake_up_);
-    OSStatus result = PostEventToQueue(event_queue_, wake_up_,
-                                       kEventPriorityStandard);
-    if (noErr != result) {
-      LOG_E(LS_ERROR, OS, result) << "PostEventToQueue";
-    }
-  }
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// MacCarbonAppSocketServer
-///////////////////////////////////////////////////////////////////////////////
-
-MacCarbonAppSocketServer::MacCarbonAppSocketServer()
-    : event_queue_(GetCurrentEventQueue()) {
-  // Install event handler
-  VERIFY(noErr == InstallApplicationEventHandler(
-      NewEventHandlerUPP(WakeUpEventHandler), 1, kEventWakeUpSpec, this,
-      &event_handler_));
-
-  // Install a timer and set it idle to begin with.
-  VERIFY(noErr == InstallEventLoopTimer(GetMainEventLoop(),
-                                        kEventDurationForever,
-                                        kEventDurationForever,
-                                        NewEventLoopTimerUPP(TimerHandler),
-                                        this,
-                                        &timer_));
-}
-
-MacCarbonAppSocketServer::~MacCarbonAppSocketServer() {
-  RemoveEventLoopTimer(timer_);
-  RemoveEventHandler(event_handler_);
-}
-
-OSStatus MacCarbonAppSocketServer::WakeUpEventHandler(
-    EventHandlerCallRef next, EventRef event, void *data) {
-  QuitApplicationEventLoop();
-  return noErr;
-}
-
-void MacCarbonAppSocketServer::TimerHandler(
-    EventLoopTimerRef timer, void *data) {
-  QuitApplicationEventLoop();
-}
-
-bool MacCarbonAppSocketServer::Wait(int cms, bool process_io) {
-  if (!process_io && cms == 0) {
-    // No op.
-    return true;
-  }
-  if (kForever != cms) {
-    // Start a timer.
-    OSStatus error =
-        SetEventLoopTimerNextFireTime(timer_, cms / 1000.0);
-    if (error != noErr) {
-      LOG(LS_ERROR) << "Failed setting next fire time.";
-    }
-  }
-  if (!process_io) {
-    // No way to listen to common modes and not get socket events, unless
-    // we disable each one's callbacks.
-    EnableSocketCallbacks(false);
-  }
-  RunApplicationEventLoop();
-  if (!process_io) {
-    // Reenable them.  Hopefully this won't cause spurious callbacks or
-    // missing ones while they were disabled.
-    EnableSocketCallbacks(true);
-  }
-  return true;
-}
-
-void MacCarbonAppSocketServer::WakeUp() {
-  // TODO: No-op if there's already a WakeUp in flight.
-  EventRef wake_up;
-  VERIFY(noErr == CreateEvent(NULL, kEventClassSocketServer, kEventWakeUp, 0,
-                              kEventAttributeUserEvent, &wake_up));
-  OSStatus result = PostEventToQueue(event_queue_, wake_up,
-                                       kEventPriorityStandard);
-  if (noErr != result) {
-    LOG_E(LS_ERROR, OS, result) << "PostEventToQueue";
-  }
-  ReleaseEvent(wake_up);
-}
-
-#endif
 } // namespace rtc
diff --git a/webrtc/base/macsocketserver.h b/webrtc/base/macsocketserver.h
index f85628b..ed6d60e 100644
--- a/webrtc/base/macsocketserver.h
+++ b/webrtc/base/macsocketserver.h
@@ -11,9 +11,7 @@
 #define WEBRTC_BASE_MACSOCKETSERVER_H__
 
 #include <set>
-#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS) // Invalid on IOS
-#include <Carbon/Carbon.h>
-#endif
+#include <CoreFoundation/CoreFoundation.h>
 #include "webrtc/base/physicalsocketserver.h"
 
 namespace rtc {
@@ -76,61 +74,6 @@
   CFRunLoopRef run_loop_;
   CFRunLoopSourceRef wake_up_;
 };
-
-#ifndef CARBON_DEPRECATED
-
-///////////////////////////////////////////////////////////////////////////////
-// MacCarbonSocketServer
-///////////////////////////////////////////////////////////////////////////////
-
-// Interacts with the Carbon event queue. While idle it will block,
-// waiting for events. When the socket server has work to do, it will
-// post a 'wake up' event to the queue, causing the thread to exit the
-// event loop until the next call to Wait. Other events are dispatched
-// to their target. Supports Carbon and Cocoa UI interaction.
-class MacCarbonSocketServer : public MacBaseSocketServer {
- public:
-  MacCarbonSocketServer();
-  virtual ~MacCarbonSocketServer();
-
-  // SocketServer Interface
-  virtual bool Wait(int cms, bool process_io);
-  virtual void WakeUp();
-
- private:
-  EventQueueRef event_queue_;
-  EventRef wake_up_;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-// MacCarbonAppSocketServer
-///////////////////////////////////////////////////////////////////////////////
-
-// Runs the Carbon application event loop on the current thread while
-// idle. When the socket server has work to do, it will post an event
-// to the queue, causing the thread to exit the event loop until the
-// next call to Wait. Other events are automatically dispatched to
-// their target.
-class MacCarbonAppSocketServer : public MacBaseSocketServer {
- public:
-  MacCarbonAppSocketServer();
-  virtual ~MacCarbonAppSocketServer();
-
-  // SocketServer Interface
-  virtual bool Wait(int cms, bool process_io);
-  virtual void WakeUp();
-
- private:
-  static OSStatus WakeUpEventHandler(EventHandlerCallRef next, EventRef event,
-                                     void *data);
-  static void TimerHandler(EventLoopTimerRef timer, void *data);
-
-  EventQueueRef event_queue_;
-  EventHandlerRef event_handler_;
-  EventLoopTimerRef timer_;
-};
-
-#endif
 } // namespace rtc
 
 #endif  // WEBRTC_BASE_MACSOCKETSERVER_H__
diff --git a/webrtc/base/macsocketserver_unittest.cc b/webrtc/base/macsocketserver_unittest.cc
index 87cfe07..520d226 100644
--- a/webrtc/base/macsocketserver_unittest.cc
+++ b/webrtc/base/macsocketserver_unittest.cc
@@ -31,64 +31,6 @@
   SocketServer* ss_;
 };
 
-#ifndef CARBON_DEPRECATED
-
-// Test that MacCFSocketServer::Wait works as expected.
-TEST(MacCFSocketServerTest, TestWait) {
-  MacCFSocketServer server;
-  uint32_t start = Time();
-  server.Wait(1000, true);
-  EXPECT_GE(TimeSince(start), 1000);
-}
-
-// Test that MacCFSocketServer::Wakeup works as expected.
-TEST(MacCFSocketServerTest, TestWakeup) {
-  MacCFSocketServer server;
-  WakeThread thread(&server);
-  uint32_t start = Time();
-  thread.Start();
-  server.Wait(10000, true);
-  EXPECT_LT(TimeSince(start), 10000);
-}
-
-// Test that MacCarbonSocketServer::Wait works as expected.
-TEST(MacCarbonSocketServerTest, TestWait) {
-  MacCarbonSocketServer server;
-  uint32_t start = Time();
-  server.Wait(1000, true);
-  EXPECT_GE(TimeSince(start), 1000);
-}
-
-// Test that MacCarbonSocketServer::Wakeup works as expected.
-TEST(MacCarbonSocketServerTest, TestWakeup) {
-  MacCarbonSocketServer server;
-  WakeThread thread(&server);
-  uint32_t start = Time();
-  thread.Start();
-  server.Wait(10000, true);
-  EXPECT_LT(TimeSince(start), 10000);
-}
-
-// Test that MacCarbonAppSocketServer::Wait works as expected.
-TEST(MacCarbonAppSocketServerTest, TestWait) {
-  MacCarbonAppSocketServer server;
-  uint32_t start = Time();
-  server.Wait(1000, true);
-  EXPECT_GE(TimeSince(start), 1000);
-}
-
-// Test that MacCarbonAppSocketServer::Wakeup works as expected.
-TEST(MacCarbonAppSocketServerTest, TestWakeup) {
-  MacCarbonAppSocketServer server;
-  WakeThread thread(&server);
-  uint32_t start = Time();
-  thread.Start();
-  server.Wait(10000, true);
-  EXPECT_LT(TimeSince(start), 10000);
-}
-
-#endif
-
 // Test that MacAsyncSocket passes all the generic Socket tests.
 class MacAsyncSocketTest : public SocketTest {
  protected:
@@ -220,20 +162,4 @@
 TEST_F(MacAsyncSocketTest, DISABLED_TestGetSetOptionsIPv6) {
   SocketTest::TestGetSetOptionsIPv6();
 }
-
-#ifndef CARBON_DEPRECATED
-class MacCarbonAppAsyncSocketTest : public MacAsyncSocketTest {
-  virtual MacBaseSocketServer* CreateSocketServer() {
-    return new MacCarbonAppSocketServer();
-  };
-};
-
-TEST_F(MacCarbonAppAsyncSocketTest, TestSocketServerWaitIPv4) {
-  SocketTest::TestSocketServerWaitIPv4();
-}
-
-TEST_F(MacCarbonAppAsyncSocketTest, TestSocketServerWaitIPv6) {
-  SocketTest::TestSocketServerWaitIPv6();
-}
-#endif
 }  // namespace rtc
diff --git a/webrtc/base/macutils.cc b/webrtc/base/macutils.cc
index 3a07b81..c05526a 100644
--- a/webrtc/base/macutils.cc
+++ b/webrtc/base/macutils.cc
@@ -11,6 +11,8 @@
 #include <memory>
 #include <sstream>
 
+#include <CoreServices/CoreServices.h>
+
 #include "webrtc/base/common.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/macutils.h"
@@ -46,7 +48,6 @@
   return NULL != *str16;
 }
 
-#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
 void DecodeFourChar(UInt32 fc, std::string* out) {
   std::stringstream ss;
   ss << '\'';
@@ -128,82 +129,4 @@
   }
   return kMacOSNewer;
 }
-
-bool RunAppleScript(const std::string& script) {
-  // TODO(thaloun): Add a .mm file that contains something like this:
-  // NSString source from script
-  // NSAppleScript* appleScript = [[NSAppleScript alloc] initWithSource:&source]
-  // if (appleScript != nil) {
-  //   [appleScript executeAndReturnError:nil]
-  //   [appleScript release]
-#ifndef CARBON_DEPRECATED
-  ComponentInstance component = NULL;
-  AEDesc script_desc;
-  AEDesc result_data;
-  OSStatus err;
-  OSAID script_id, result_id;
-
-  AECreateDesc(typeNull, NULL, 0, &script_desc);
-  AECreateDesc(typeNull, NULL, 0, &result_data);
-  script_id = kOSANullScript;
-  result_id = kOSANullScript;
-
-  component = OpenDefaultComponent(kOSAComponentType, typeAppleScript);
-  if (component == NULL) {
-    LOG(LS_ERROR) << "Failed opening Apple Script component";
-    return false;
-  }
-  err = AECreateDesc(typeUTF8Text, script.data(), script.size(), &script_desc);
-  if (err != noErr) {
-    CloseComponent(component);
-    LOG(LS_ERROR) << "Failed creating Apple Script description";
-    return false;
-  }
-
-  err = OSACompile(component, &script_desc, kOSAModeCanInteract, &script_id);
-  if (err != noErr) {
-    AEDisposeDesc(&script_desc);
-    if (script_id != kOSANullScript) {
-      OSADispose(component, script_id);
-    }
-    CloseComponent(component);
-    LOG(LS_ERROR) << "Error compiling Apple Script";
-    return false;
-  }
-
-  err = OSAExecute(component, script_id, kOSANullScript, kOSAModeCanInteract,
-                   &result_id);
-
-  if (err == errOSAScriptError) {
-    LOG(LS_ERROR) << "Error when executing Apple Script: " << script;
-    AECreateDesc(typeNull, NULL, 0, &result_data);
-    OSAScriptError(component, kOSAErrorMessage, typeChar, &result_data);
-    int len = AEGetDescDataSize(&result_data);
-    char* data = (char*)malloc(len);
-    if (data != NULL) {
-      err = AEGetDescData(&result_data, data, len);
-      LOG(LS_ERROR) << "Script error: " << std::string(data, len);
-    }
-    AEDisposeDesc(&script_desc);
-    AEDisposeDesc(&result_data);
-    return false;
-  }
-  AEDisposeDesc(&script_desc);
-  if (script_id != kOSANullScript) {
-    OSADispose(component, script_id);
-  }
-  if (result_id != kOSANullScript) {
-    OSADispose(component, result_id);
-  }
-  CloseComponent(component);
-  return true;
-#else
-  // TODO(thaloun): Support applescripts with the NSAppleScript API.
-  return false;
-#endif  // CARBON_DEPRECATED
-}
-#endif  // WEBRTC_MAC && !defined(WEBRTC_IOS)
-
-///////////////////////////////////////////////////////////////////////////////
-
 }  // namespace rtc
diff --git a/webrtc/base/macutils.h b/webrtc/base/macutils.h
index 78c442f..fdcb3ee 100644
--- a/webrtc/base/macutils.h
+++ b/webrtc/base/macutils.h
@@ -12,9 +12,6 @@
 #define WEBRTC_BASE_MACUTILS_H__
 
 #include <CoreFoundation/CoreFoundation.h>
-#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
-#include <Carbon/Carbon.h>
-#endif
 #include <string>
 
 namespace rtc {
@@ -44,10 +41,6 @@
 };
 
 MacOSVersionName GetOSVersionName();
-
-// Runs the given apple script. Only supports scripts that does not
-// require user interaction.
-bool RunAppleScript(const std::string& script);
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/webrtc/base/macutils_unittest.cc b/webrtc/base/macutils_unittest.cc
index e295eaa..d3e33e4 100644
--- a/webrtc/base/macutils_unittest.cc
+++ b/webrtc/base/macutils_unittest.cc
@@ -16,22 +16,3 @@
   LOG(LS_INFO) << "GetOsVersionName " << ver;
   EXPECT_NE(rtc::kMacOSUnknown, ver);
 }
-
-TEST(MacUtilsTest, RunAppleScriptCompileError) {
-  std::string script("set value to to 5");
-  EXPECT_FALSE(rtc::RunAppleScript(script));
-}
-
-TEST(MacUtilsTest, RunAppleScriptRuntimeError) {
-  std::string script("set value to 5 / 0");
-  EXPECT_FALSE(rtc::RunAppleScript(script));
-}
-
-#ifdef CARBON_DEPRECATED
-TEST(MacUtilsTest, DISABLED_RunAppleScriptSuccess) {
-#else
-TEST(MacUtilsTest, RunAppleScriptSuccess) {
-#endif
-  std::string script("set value to 5");
-  EXPECT_TRUE(rtc::RunAppleScript(script));
-}
diff --git a/webrtc/base/macwindowpicker.cc b/webrtc/base/macwindowpicker.cc
index bb97d20..d43d0e8 100644
--- a/webrtc/base/macwindowpicker.cc
+++ b/webrtc/base/macwindowpicker.cc
@@ -106,74 +106,7 @@
 }
 
 bool MacWindowPicker::MoveToFront(const WindowId& id) {
-  // Init if we're not already initialized.
-  if (get_window_list_desc_ == NULL && !Init()) {
-    return false;
-  }
-  CGWindowID ids[1];
-  ids[0] = id.id();
-  CFArrayRef window_id_array =
-      CFArrayCreate(NULL, reinterpret_cast<const void **>(&ids), 1, NULL);
-
-  CFArrayRef window_array =
-      reinterpret_cast<CGWindowListCreateDescriptionFromArrayProc>(
-          get_window_list_desc_)(window_id_array);
-  if (window_array == NULL || 0 == CFArrayGetCount(window_array)) {
-    // Could not find the window. It might have been closed.
-    LOG(LS_INFO) << "Window not found";
-    CFRelease(window_id_array);
-    return false;
-  }
-
-  CFDictionaryRef window = reinterpret_cast<CFDictionaryRef>(
-      CFArrayGetValueAtIndex(window_array, 0));
-  CFStringRef window_name_ref = reinterpret_cast<CFStringRef>(
-      CFDictionaryGetValue(window, kCGWindowName));
-  CFNumberRef application_pid = reinterpret_cast<CFNumberRef>(
-      CFDictionaryGetValue(window, kCGWindowOwnerPID));
-
-  int pid_val;
-  CFNumberGetValue(application_pid, kCFNumberIntType, &pid_val);
-  std::string window_name;
-  ToUtf8(window_name_ref, &window_name);
-
-  // Build an applescript that sets the selected window to front
-  // within the application. Then set the application to front.
-  bool result = true;
-  std::stringstream ss;
-  ss << "tell application \"System Events\"\n"
-     << "set proc to the first item of (every process whose unix id is "
-     << pid_val
-     << ")\n"
-     << "tell proc to perform action \"AXRaise\" of window \""
-     << window_name
-     << "\"\n"
-     << "set the frontmost of proc to true\n"
-     << "end tell";
-  if (!RunAppleScript(ss.str())) {
-    // This might happen to for example X applications where the X
-    // server spawns of processes with their own PID but the X server
-    // is still registered as owner to the application windows. As a
-    // workaround, we put the X server process to front, meaning that
-    // all X applications will show up. The drawback with this
-    // workaround is that the application that we really wanted to set
-    // to front might be behind another X application.
-    ProcessSerialNumber psn;
-    pid_t pid = pid_val;
-    int res = GetProcessForPID(pid, &psn);
-    if (res != 0) {
-      LOG(LS_ERROR) << "Failed getting process for pid";
-      result = false;
-    }
-    res = SetFrontProcess(&psn);
-    if (res != 0) {
-      LOG(LS_ERROR) << "Failed setting process to front";
-      result = false;
-    }
-  }
-  CFRelease(window_id_array);
-  CFRelease(window_array);
-  return result;
+  return false;
 }
 
 bool MacWindowPicker::GetDesktopList(DesktopDescriptionList* descriptions) {
diff --git a/webrtc/base/proxydetect.cc b/webrtc/base/proxydetect.cc
index 10e7a02..71910aa 100644
--- a/webrtc/base/proxydetect.cc
+++ b/webrtc/base/proxydetect.cc
@@ -1170,9 +1170,6 @@
       result = p_putPasswordInProxyInfo(proxy);
     }
 
-    // We created the dictionary with something that had the
-    // word 'copy' in it, so we have to release it, according
-    // to the Carbon memory management standards.
     CFRelease(proxyDict);
   } else {
     LOG(LS_ERROR) << "SCDynamicStoreCopyProxies failed";
@@ -1223,9 +1220,6 @@
       result = true;
   }
 
-  // We created the dictionary with something that had the
-  // word 'copy' in it, so we have to release it, according
-  // to the Carbon memory management standards.
   CFRelease(proxy_dict);
 
   return result;
diff --git a/webrtc/base/unixfilesystem.cc b/webrtc/base/unixfilesystem.cc
index b474324..61d0361 100644
--- a/webrtc/base/unixfilesystem.cc
+++ b/webrtc/base/unixfilesystem.cc
@@ -17,7 +17,7 @@
 #include <unistd.h>
 
 #if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
-#include <Carbon/Carbon.h>
+#include <CoreServices/CoreServices.h>
 #include <IOKit/IOCFBundle.h>
 #include <sys/statvfs.h>
 #include "webrtc/base/macutils.h"
@@ -50,13 +50,13 @@
 #include "webrtc/base/stream.h"
 #include "webrtc/base/stringutils.h"
 
-#if defined(WEBRTC_IOS)
-// Defined in iosfilesystem.mm.  No header file to discourage use
+#if defined(WEBRTC_MAC)
+// Defined in applefilesystem.mm.  No header file to discourage use
 // elsewhere; other places should use GetApp{Data,Temp}Folder() in
 // this file.  Don't copy/paste.  I mean it.
-char* IOSDataDirectory();
-char* IOSTempDirectory();
-void IOSAppName(rtc::Pathname* path);
+char* AppleDataDirectory();
+char* AppleTempDirectory();
+void AppleAppName(rtc::Pathname* path);
 #endif
 
 namespace rtc {
@@ -81,9 +81,9 @@
 UnixFilesystem::UnixFilesystem() {
 #if defined(WEBRTC_IOS)
   if (!provided_app_data_folder_)
-    provided_app_data_folder_ = IOSDataDirectory();
+    provided_app_data_folder_ = AppleDataDirectory();
   if (!provided_app_temp_folder_)
-    provided_app_temp_folder_ = IOSTempDirectory();
+    provided_app_temp_folder_ = AppleTempDirectory();
 #endif
 }
 
@@ -171,19 +171,10 @@
 
 bool UnixFilesystem::GetTemporaryFolder(Pathname &pathname, bool create,
                                         const std::string *append) {
-#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
-  FSRef fr;
-  if (0 != FSFindFolder(kOnAppropriateDisk, kTemporaryFolderType,
-                        kCreateFolder, &fr))
-    return false;
-  unsigned char buffer[NAME_MAX+1];
-  if (0 != FSRefMakePath(&fr, buffer, arraysize(buffer)))
-    return false;
-  pathname.SetPathname(reinterpret_cast<char*>(buffer), "");
-#elif defined(WEBRTC_ANDROID) || defined(WEBRTC_IOS)
+#if defined(WEBRTC_ANDROID) || defined(WEBRTC_IOS)
   ASSERT(provided_app_temp_folder_ != NULL);
   pathname.SetPathname(provided_app_temp_folder_, "");
-#else  // !WEBRTC_MAC || WEBRTC_IOS && !WEBRTC_ANDROID
+#else
   if (const char* tmpdir = getenv("TMPDIR")) {
     pathname.SetPathname(tmpdir, "");
   } else if (const char* tmp = getenv("TMP")) {
@@ -195,7 +186,7 @@
     pathname.SetPathname("/tmp/", "");
 #endif  // !P_tmpdir
   }
-#endif  // !WEBRTC_MAC || WEBRTC_IOS && !WEBRTC_ANDROID
+#endif  // defined(WEBRTC_ANDROID) || defined(WEBRTC_IOS)
   if (append) {
     ASSERT(!append->empty());
     pathname.AppendFolder(*append);
@@ -357,24 +348,10 @@
 }
 
 bool UnixFilesystem::GetAppPathname(Pathname* path) {
-#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
-  ProcessSerialNumber psn = { 0, kCurrentProcess };
-  CFDictionaryRef procinfo = ProcessInformationCopyDictionary(&psn,
-      kProcessDictionaryIncludeAllInformationMask);
-  if (NULL == procinfo)
-    return false;
-  CFStringRef cfpath = (CFStringRef) CFDictionaryGetValue(procinfo,
-      kIOBundleExecutableKey);
-  std::string path8;
-  bool success = ToUtf8(cfpath, &path8);
-  CFRelease(procinfo);
-  if (success)
-    path->SetPathname(path8);
-  return success;
-#elif defined(__native_client__)
+#if defined(__native_client__)
   return false;
-#elif WEBRTC_IOS
-  IOSAppName(path);
+#elif defined(WEBRTC_MAC)
+  AppleAppName(path);
   return true;
 #else  // WEBRTC_MAC && !defined(WEBRTC_IOS)
   char buffer[PATH_MAX + 2];
diff --git a/webrtc/engine_configurations.h b/webrtc/engine_configurations.h
index be993ed..011bdae 100644
--- a/webrtc/engine_configurations.h
+++ b/webrtc/engine_configurations.h
@@ -60,7 +60,6 @@
 // ----------------------------------------------------------------------------
 
 #if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
-// #define CARBON_RENDERING
 #define COCOA_RENDERING
 #endif
 
diff --git a/webrtc/media/BUILD.gn b/webrtc/media/BUILD.gn
index 029d143..5545aef 100644
--- a/webrtc/media/BUILD.gn
+++ b/webrtc/media/BUILD.gn
@@ -186,17 +186,6 @@
       "strmiids.lib",
     ]
   }
-  if (is_mac && current_cpu == "x86") {
-    sources += [
-      "devices/carbonvideorenderer.cc",
-      "devices/carbonvideorenderer.h",
-    ]
-    libs += [ "Carbon.framework" ]
-  }
-  if (is_ios || (is_mac && current_cpu != "x86")) {
-    defines += [ "CARBON_DEPRECATED=YES" ]
-  }
-
   deps += [
     "..:webrtc_common",
     "../api:call_api",
diff --git a/webrtc/media/devices/carbonvideorenderer.cc b/webrtc/media/devices/carbonvideorenderer.cc
deleted file mode 100644
index 7669042..0000000
--- a/webrtc/media/devices/carbonvideorenderer.cc
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-// Implementation of CarbonVideoRenderer
-
-#include "webrtc/media/devices/carbonvideorenderer.h"
-
-#include "webrtc/base/logging.h"
-#include "webrtc/media/base/videocommon.h"
-#include "webrtc/media/base/videoframe.h"
-
-namespace cricket {
-
-CarbonVideoRenderer::CarbonVideoRenderer(int x, int y)
-    : image_width_(0),
-      image_height_(0),
-      x_(x),
-      y_(y),
-      window_ref_(NULL) {
-}
-
-CarbonVideoRenderer::~CarbonVideoRenderer() {
-  if (window_ref_) {
-    DisposeWindow(window_ref_);
-  }
-}
-
-// Called from the main event loop. All renderering needs to happen on
-// the main thread.
-OSStatus CarbonVideoRenderer::DrawEventHandler(EventHandlerCallRef handler,
-                                               EventRef event,
-                                               void* data) {
-  OSStatus status = noErr;
-  CarbonVideoRenderer* renderer = static_cast<CarbonVideoRenderer*>(data);
-  if (renderer != NULL) {
-    if (!renderer->DrawFrame()) {
-      LOG(LS_ERROR) << "Failed to draw frame.";
-    }
-  }
-  return status;
-}
-
-bool CarbonVideoRenderer::DrawFrame() {
-  // Grab the image lock to make sure it is not changed why we'll draw it.
-  rtc::CritScope cs(&image_crit_);
-
-  if (image_.get() == NULL) {
-    // Nothing to draw, just return.
-    return true;
-  }
-  int width = image_width_;
-  int height = image_height_;
-  CGDataProviderRef provider =
-      CGDataProviderCreateWithData(NULL, image_.get(), width * height * 4,
-                                   NULL);
-  CGColorSpaceRef color_space_ref = CGColorSpaceCreateDeviceRGB();
-  CGBitmapInfo bitmap_info = kCGBitmapByteOrderDefault;
-  CGColorRenderingIntent rendering_intent = kCGRenderingIntentDefault;
-  CGImageRef image_ref = CGImageCreate(width, height, 8, 32, width * 4,
-                                       color_space_ref, bitmap_info, provider,
-                                       NULL, false, rendering_intent);
-  CGDataProviderRelease(provider);
-
-  if (image_ref == NULL) {
-    return false;
-  }
-  CGContextRef context;
-  SetPortWindowPort(window_ref_);
-  if (QDBeginCGContext(GetWindowPort(window_ref_), &context) != noErr) {
-    CGImageRelease(image_ref);
-    return false;
-  }
-  Rect window_bounds;
-  GetWindowPortBounds(window_ref_, &window_bounds);
-
-  // Anchor the image to the top left corner.
-  int x = 0;
-  int y = window_bounds.bottom - CGImageGetHeight(image_ref);
-  CGRect dst_rect = CGRectMake(x, y, CGImageGetWidth(image_ref),
-                               CGImageGetHeight(image_ref));
-  CGContextDrawImage(context, dst_rect, image_ref);
-  CGContextFlush(context);
-  QDEndCGContext(GetWindowPort(window_ref_), &context);
-  CGImageRelease(image_ref);
-  return true;
-}
-
-bool CarbonVideoRenderer::SetSize(int width, int height) {
-  if (width != image_width_ || height != image_height_) {
-    // Grab the image lock while changing its size.
-    rtc::CritScope cs(&image_crit_);
-    image_width_ = width;
-    image_height_ = height;
-    image_.reset(new uint8_t[width * height * 4]);
-    memset(image_.get(), 255, width * height * 4);
-  }
-  return true;
-}
-
-void CarbonVideoRenderer::OnFrame(const VideoFrame& video_frame) {
-  {
-    const cricket::WebRtcVideoFrame frame(
-        webrtc::I420Buffer::Rotate(video_frame.video_frame_buffer(),
-                                   video_frame.rotation()),
-        webrtc::kVideoRotation_0, video_frame.timestamp_us());
-
-    if (!SetSize(frame.width(), frame.height())) {
-      return false;
-    }
-
-    // Grab the image lock so we are not trashing up the image being drawn.
-    rtc::CritScope cs(&image_crit_);
-    frame.ConvertToRgbBuffer(cricket::FOURCC_ABGR,
-                             image_.get(),
-                             static_cast<size_t>(frame.width()) *
-                                 frame.height() * 4,
-                             frame.width() * 4);
-  }
-
-  // Trigger a repaint event for the whole window.
-  Rect bounds;
-  InvalWindowRect(window_ref_, GetWindowPortBounds(window_ref_, &bounds));
-  return true;
-}
-
-bool CarbonVideoRenderer::Initialize() {
-  OSStatus err;
-  WindowAttributes attributes =
-      kWindowStandardDocumentAttributes |
-      kWindowLiveResizeAttribute |
-      kWindowFrameworkScaledAttribute |
-      kWindowStandardHandlerAttribute;
-
-  struct Rect bounds;
-  bounds.top = y_;
-  bounds.bottom = 480;
-  bounds.left = x_;
-  bounds.right = 640;
-  err = CreateNewWindow(kDocumentWindowClass, attributes,
-                        &bounds, &window_ref_);
-  if (!window_ref_ || err != noErr) {
-    LOG(LS_ERROR) << "CreateNewWindow failed, error code: " << err;
-    return false;
-  }
-  static const EventTypeSpec event_spec = {
-    kEventClassWindow,
-    kEventWindowDrawContent
-  };
-
-  err = InstallWindowEventHandler(
-      window_ref_,
-      NewEventHandlerUPP(CarbonVideoRenderer::DrawEventHandler),
-      GetEventTypeCount(event_spec),
-      &event_spec,
-      this,
-      NULL);
-  if (err != noErr) {
-    LOG(LS_ERROR) << "Failed to install event handler, error code: " << err;
-    return false;
-  }
-  SelectWindow(window_ref_);
-  ShowWindow(window_ref_);
-  return true;
-}
-
-}  // namespace cricket
diff --git a/webrtc/media/devices/carbonvideorenderer.h b/webrtc/media/devices/carbonvideorenderer.h
deleted file mode 100644
index e90c131..0000000
--- a/webrtc/media/devices/carbonvideorenderer.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-// Definition of class CarbonVideoRenderer that implements the abstract class
-// cricket::VideoRenderer via Carbon.
-
-#ifndef WEBRTC_MEDIA_DEVICES_CARBONVIDEORENDERER_H_
-#define WEBRTC_MEDIA_DEVICES_CARBONVIDEORENDERER_H_
-
-#include <memory>
-
-#include <Carbon/Carbon.h>
-
-#include "webrtc/base/criticalsection.h"
-#include "webrtc/media/base/videosinkinterface.h"
-
-namespace cricket {
-
-class CarbonVideoRenderer
-    : public rtc::VideoSinkInterface<cricket::VideoFrame> {
- public:
-  CarbonVideoRenderer(int x, int y);
-  virtual ~CarbonVideoRenderer();
-
-  // Implementation of VideoSinkInterface.
-  void OnFrame(const VideoFrame& frame) override;
-
-  // Needs to be called on the main thread.
-  bool Initialize();
-
- private:
-  bool SetSize(int width, int height);
-  bool DrawFrame();
-
-  static OSStatus DrawEventHandler(EventHandlerCallRef handler,
-                                   EventRef event,
-                                   void* data);
-  std::unique_ptr<uint8_t[]> image_;
-  rtc::CriticalSection image_crit_;
-  int image_width_;
-  int image_height_;
-  int x_;
-  int y_;
-  WindowRef window_ref_;
-};
-
-}  // namespace cricket
-
-#endif  // WEBRTC_MEDIA_DEVICES_CARBONVIDEORENDERER_H_
diff --git a/webrtc/media/devices/videorendererfactory.h b/webrtc/media/devices/videorendererfactory.h
index 0bacdbd..bdc5686 100644
--- a/webrtc/media/devices/videorendererfactory.h
+++ b/webrtc/media/devices/videorendererfactory.h
@@ -17,8 +17,6 @@
 #include "webrtc/media/base/videosinkinterface.h"
 #if defined(WEBRTC_LINUX) && defined(HAVE_GTK)
 #include "webrtc/media/devices/gtkvideorenderer.h"
-#elif defined(WEBRTC_MAC) && !defined(WEBRTC_IOS) && !defined(CARBON_DEPRECATED)
-#include "webrtc/media/devices/carbonvideorenderer.h"
 #elif defined(WIN32)
 #include "webrtc/media/devices/gdivideorenderer.h"
 #endif
@@ -32,16 +30,6 @@
       int y) {
   #if defined(WEBRTC_LINUX) && defined(HAVE_GTK)
     return new GtkVideoRenderer(x, y);
-  #elif defined(WEBRTC_MAC) && !defined(WEBRTC_IOS) && \
-      !defined(CARBON_DEPRECATED)
-    CarbonVideoRenderer* renderer = new CarbonVideoRenderer(x, y);
-    // Needs to be initialized on the main thread.
-    if (renderer->Initialize()) {
-      return renderer;
-    } else {
-      delete renderer;
-      return NULL;
-    }
   #elif defined(WIN32)
     return new GdiVideoRenderer(x, y);
   #else
diff --git a/webrtc/media/media.gyp b/webrtc/media/media.gyp
index 2eb7271..5efdec1 100644
--- a/webrtc/media/media.gyp
+++ b/webrtc/media/media.gyp
@@ -173,24 +173,6 @@
             },
           },
         }],
-        ['OS=="mac" and target_arch=="ia32"', {
-          'sources': [
-            'devices/carbonvideorenderer.cc',
-            'devices/carbonvideorenderer.h',
-          ],
-          'link_settings': {
-            'xcode_settings': {
-              'OTHER_LDFLAGS': [
-                '-framework Carbon',
-              ],
-            },
-          },
-        }],
-        ['OS=="ios" or (OS=="mac" and target_arch!="ia32")', {
-          'defines': [
-            'CARBON_DEPRECATED=YES',
-          ],
-        }],
       ],
     },  # target rtc_media
   ],  # targets.
diff --git a/webrtc/modules/desktop_capture/mac/desktop_configuration.h b/webrtc/modules/desktop_capture/mac/desktop_configuration.h
index bb2339b..241c5b9 100644
--- a/webrtc/modules/desktop_capture/mac/desktop_configuration.h
+++ b/webrtc/modules/desktop_capture/mac/desktop_configuration.h
@@ -12,7 +12,6 @@
 #define WEBRTC_MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_H_
 
 #include <ApplicationServices/ApplicationServices.h>
-#include <Carbon/Carbon.h>
 #include <vector>
 
 #include "webrtc/typedefs.h"
@@ -49,7 +48,7 @@
 
   // Returns the desktop & display configurations in Cocoa-style "bottom-up"
   // (the origin is the bottom-left of the primary monitor, and coordinates
-  // increase as you move up the screen) or Carbon-style "top-down" coordinates.
+  // increase as you move up the screen).
   static MacDesktopConfiguration GetCurrent(Origin origin);
 
   // Returns true if the given desktop configuration equals this one.
diff --git a/webrtc/webrtc_tests.gypi b/webrtc/webrtc_tests.gypi
index f93b5c0..47a6833 100644
--- a/webrtc/webrtc_tests.gypi
+++ b/webrtc/webrtc_tests.gypi
@@ -165,11 +165,6 @@
             'base/sslstreamadapter_unittest.cc',
           ],
         }],
-        ['OS=="ios" or (OS=="mac" and target_arch!="ia32")', {
-          'defines': [
-            'CARBON_DEPRECATED=YES',
-          ],
-        }],
         ['use_quic==1', {
           'sources': [
             'p2p/quic/quicconnectionhelper_unittest.cc',
@@ -503,11 +498,6 @@
             'base/macsocketserver_unittest.cc',
           ],
         }],
-        ['OS=="ios" or (OS=="mac" and target_arch!="ia32")', {
-          'defines': [
-            'CARBON_DEPRECATED=YES',
-          ],
-        }],
       ],
     },
   ],