libvpx's UNUSED macro conflicts with webrtc/base's. Added missing include of assert.h. Globally defined function "Unused" in talk/base and its copy (webrtc/base) is causing a conflict.

libvpx macro (UNUSED) can be found here:
http://src.chromium.org/viewvc/chrome/trunk/deps/third_party/libvpx/source/libvpx/vpx/vpx_codec.h

BUG=N/A
R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/17489004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6185 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/basictypes.h b/webrtc/base/basictypes.h
index 8fed1ba..8c69094 100644
--- a/webrtc/base/basictypes.h
+++ b/webrtc/base/basictypes.h
@@ -125,26 +125,6 @@
     ((t) - 1)) & ~((t) - 1))))
 #define IS_ALIGNED(p, a) (!((uintptr_t)(p) & ((a) - 1)))
 
-// Note: UNUSED is also defined in common.h
-#ifndef UNUSED
-#define UNUSED(x) Unused(static_cast<const void*>(&x))
-#define UNUSED2(x, y) Unused(static_cast<const void*>(&x)); \
-    Unused(static_cast<const void*>(&y))
-#define UNUSED3(x, y, z) Unused(static_cast<const void*>(&x)); \
-    Unused(static_cast<const void*>(&y)); \
-    Unused(static_cast<const void*>(&z))
-#define UNUSED4(x, y, z, a) Unused(static_cast<const void*>(&x)); \
-    Unused(static_cast<const void*>(&y)); \
-    Unused(static_cast<const void*>(&z)); \
-    Unused(static_cast<const void*>(&a))
-#define UNUSED5(x, y, z, a, b) Unused(static_cast<const void*>(&x)); \
-    Unused(static_cast<const void*>(&y)); \
-    Unused(static_cast<const void*>(&z)); \
-    Unused(static_cast<const void*>(&a)); \
-    Unused(static_cast<const void*>(&b))
-inline void Unused(const void*) {}
-#endif  // UNUSED
-
 // Use these to declare and define a static local variable (static T;) so that
 // it is leaked so that its destructors are not called at exit.
 #define LIBJINGLE_DEFINE_STATIC_LOCAL(type, name, arguments) \
diff --git a/webrtc/base/common.h b/webrtc/base/common.h
index 51a5d1e..7f4a756 100644
--- a/webrtc/base/common.h
+++ b/webrtc/base/common.h
@@ -23,25 +23,24 @@
 // General Utilities
 //////////////////////////////////////////////////////////////////////
 
-// Note: UNUSED is also defined in basictypes.h
-#ifndef UNUSED
-#define UNUSED(x) Unused(static_cast<const void*>(&x))
-#define UNUSED2(x, y) Unused(static_cast<const void*>(&x)); \
-    Unused(static_cast<const void*>(&y))
-#define UNUSED3(x, y, z) Unused(static_cast<const void*>(&x)); \
-    Unused(static_cast<const void*>(&y)); \
-    Unused(static_cast<const void*>(&z))
-#define UNUSED4(x, y, z, a) Unused(static_cast<const void*>(&x)); \
-    Unused(static_cast<const void*>(&y)); \
-    Unused(static_cast<const void*>(&z)); \
-    Unused(static_cast<const void*>(&a))
-#define UNUSED5(x, y, z, a, b) Unused(static_cast<const void*>(&x)); \
-    Unused(static_cast<const void*>(&y)); \
-    Unused(static_cast<const void*>(&z)); \
-    Unused(static_cast<const void*>(&a)); \
-    Unused(static_cast<const void*>(&b))
-inline void Unused(const void*) {}
-#endif  // UNUSED
+#ifndef RTC_UNUSED
+#define RTC_UNUSED(x) RtcUnused(static_cast<const void*>(&x))
+#define RTC_UNUSED2(x, y) RtcUnused(static_cast<const void*>(&x)); \
+    RtcUnused(static_cast<const void*>(&y))
+#define RTC_UNUSED3(x, y, z) RtcUnused(static_cast<const void*>(&x)); \
+    RtcUnused(static_cast<const void*>(&y)); \
+    RtcUnused(static_cast<const void*>(&z))
+#define RTC_UNUSED4(x, y, z, a) RtcUnused(static_cast<const void*>(&x)); \
+    RtcUnused(static_cast<const void*>(&y)); \
+    RtcUnused(static_cast<const void*>(&z)); \
+    RtcUnused(static_cast<const void*>(&a))
+#define RTC_UNUSED5(x, y, z, a, b) RtcUnused(static_cast<const void*>(&x)); \
+    RtcUnused(static_cast<const void*>(&y)); \
+    RtcUnused(static_cast<const void*>(&z)); \
+    RtcUnused(static_cast<const void*>(&a)); \
+    RtcUnused(static_cast<const void*>(&b))
+inline void RtcUnused(const void*) {}
+#endif  // RTC_UNUSED
 
 #if !defined(WEBRTC_WIN)
 
diff --git a/webrtc/base/httpserver.cc b/webrtc/base/httpserver.cc
index caa58ef..0d22584 100644
--- a/webrtc/base/httpserver.cc
+++ b/webrtc/base/httpserver.cc
@@ -222,7 +222,7 @@
 
 void
 HttpServer::Connection::onHttpClosed(HttpError err) {
-  UNUSED(err);
+  RTC_UNUSED(err);
   server_->Remove(connection_id_);
 }
 
diff --git a/webrtc/base/openssladapter.cc b/webrtc/base/openssladapter.cc
index c9f6b1a..3618aad 100644
--- a/webrtc/base/openssladapter.cc
+++ b/webrtc/base/openssladapter.cc
@@ -144,8 +144,8 @@
 }
 
 static long socket_ctrl(BIO* b, int cmd, long num, void* ptr) {
-  UNUSED(num);
-  UNUSED(ptr);
+  RTC_UNUSED(num);
+  RTC_UNUSED(ptr);
 
   switch (cmd) {
   case BIO_CTRL_RESET:
diff --git a/webrtc/base/opensslstreamadapter.cc b/webrtc/base/opensslstreamadapter.cc
index 203cc6d..f057b8e 100644
--- a/webrtc/base/opensslstreamadapter.cc
+++ b/webrtc/base/opensslstreamadapter.cc
@@ -144,8 +144,8 @@
 }
 
 static long stream_ctrl(BIO* b, int cmd, long num, void* ptr) {
-  UNUSED(num);
-  UNUSED(ptr);
+  RTC_UNUSED(num);
+  RTC_UNUSED(ptr);
 
   switch (cmd) {
     case BIO_CTRL_RESET:
diff --git a/webrtc/modules/audio_device/android/single_rw_fifo.cc b/webrtc/modules/audio_device/android/single_rw_fifo.cc
index d65ab9f..3eb993c 100644
--- a/webrtc/modules/audio_device/android/single_rw_fifo.cc
+++ b/webrtc/modules/audio_device/android/single_rw_fifo.cc
@@ -10,6 +10,8 @@
 
 #include "webrtc/modules/audio_device/android/single_rw_fifo.h"
 
+#include <assert.h>
+
 static int UpdatePos(int pos, int capacity) {
   return (pos + 1) % capacity;
 }