Delete unused file screencastid.h.

BUG=None

Review-Url: https://codereview.webrtc.org/2433913003
Cr-Original-Commit-Position: refs/heads/master@{#14757}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 74097fd3f587c750a0db5e143c028ecf13b6cd46
diff --git a/media/BUILD.gn b/media/BUILD.gn
index e3a658c..e54ec8b 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -66,7 +66,6 @@
     "base/rtpdump.h",
     "base/rtputils.cc",
     "base/rtputils.h",
-    "base/screencastid.h",
     "base/streamparams.cc",
     "base/streamparams.h",
     "base/turnutils.cc",
diff --git a/media/base/mediachannel.h b/media/base/mediachannel.h
index 1243ae7..f3cebee 100644
--- a/media/base/mediachannel.h
+++ b/media/base/mediachannel.h
@@ -51,7 +51,6 @@
 namespace cricket {
 
 class AudioSource;
-class ScreencastId;
 class VideoCapturer;
 struct RtpHeader;
 struct VideoFormat;
diff --git a/media/base/screencastid.h b/media/base/screencastid.h
deleted file mode 100644
index fdcfbe6..0000000
--- a/media/base/screencastid.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- *  Copyright (c) 2012 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.
- */
-
-// Author: thorcarpenter@google.com (Thor Carpenter)
-//
-// Defines variant class ScreencastId that combines WindowId and DesktopId.
-
-#ifndef WEBRTC_MEDIA_BASE_SCREENCASTID_H_
-#define WEBRTC_MEDIA_BASE_SCREENCASTID_H_
-
-#include <string>
-#include <vector>
-
-#include "webrtc/base/window.h"
-#include "webrtc/base/windowpicker.h"
-
-namespace cricket {
-
-class ScreencastId;
-typedef std::vector<ScreencastId> ScreencastIdList;
-
-// Used for identifying a window or desktop to be screencast.
-class ScreencastId {
- public:
-  enum Type { INVALID, WINDOW, DESKTOP };
-
-  // Default constructor indicates invalid ScreencastId.
-  ScreencastId() : type_(INVALID) {}
-  explicit ScreencastId(const rtc::WindowId& id)
-      : type_(WINDOW), window_(id) {
-  }
-  explicit ScreencastId(const rtc::DesktopId& id)
-      : type_(DESKTOP), desktop_(id) {
-  }
-
-  Type type() const { return type_; }
-  const rtc::WindowId& window() const { return window_; }
-  const rtc::DesktopId& desktop() const { return desktop_; }
-
-  // Title is an optional parameter.
-  const std::string& title() const { return title_; }
-  void set_title(const std::string& desc) { title_ = desc; }
-
-  bool IsValid() const {
-    if (type_ == INVALID) {
-      return false;
-    } else if (type_ == WINDOW) {
-      return window_.IsValid();
-    } else {
-      return desktop_.IsValid();
-    }
-  }
-  bool IsWindow() const { return type_ == WINDOW; }
-  bool IsDesktop() const { return type_ == DESKTOP; }
-  bool EqualsId(const ScreencastId& other) const {
-    if (type_ != other.type_) {
-      return false;
-    }
-    if (type_ == INVALID) {
-      return true;
-    } else if (type_ == WINDOW) {
-      return window_.Equals(other.window());
-    }
-    return desktop_.Equals(other.desktop());
-  }
-
-  // T is assumed to be WindowDescription or DesktopDescription.
-  template<class T>
-  static cricket::ScreencastIdList Convert(const std::vector<T>& list) {
-    ScreencastIdList screencast_list;
-    screencast_list.reserve(list.size());
-    for (typename std::vector<T>::const_iterator it = list.begin();
-         it != list.end(); ++it) {
-      ScreencastId id(it->id());
-      id.set_title(it->title());
-      screencast_list.push_back(id);
-    }
-    return screencast_list;
-  }
-
- private:
-  Type type_;
-  rtc::WindowId window_;
-  rtc::DesktopId desktop_;
-  std::string title_;  // Optional.
-};
-
-}  // namespace cricket
-
-#endif  // WEBRTC_MEDIA_BASE_SCREENCASTID_H_
diff --git a/media/base/videocapturerfactory.h b/media/base/videocapturerfactory.h
index 86f7042..012c4a4 100644
--- a/media/base/videocapturerfactory.h
+++ b/media/base/videocapturerfactory.h
@@ -12,7 +12,6 @@
 #define WEBRTC_MEDIA_BASE_VIDEOCAPTURERFACTORY_H_
 
 #include "webrtc/media/base/device.h"
-#include "webrtc/media/base/screencastid.h"
 
 namespace cricket {
 
@@ -26,14 +25,6 @@
   virtual VideoCapturer* Create(const Device& device) = 0;
 };
 
-class ScreenCapturerFactory {
- public:
-  ScreenCapturerFactory() {}
-  virtual ~ScreenCapturerFactory() {}
-
-  virtual VideoCapturer* Create(const ScreencastId& screenid) = 0;
-};
-
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_BASE_VIDEOCAPTURERFACTORY_H_
diff --git a/media/media.gyp b/media/media.gyp
index af74801..ffc6419 100644
--- a/media/media.gyp
+++ b/media/media.gyp
@@ -45,7 +45,6 @@
         'base/rtpdump.h',
         'base/rtputils.cc',
         'base/rtputils.h',
-        'base/screencastid.h',
         'base/streamparams.cc',
         'base/streamparams.h',
         'base/turnutils.cc',
diff --git a/pc/channel_unittest.cc b/pc/channel_unittest.cc
index 91433a7..0bea6dc 100644
--- a/pc/channel_unittest.cc
+++ b/pc/channel_unittest.cc
@@ -34,7 +34,6 @@
 using cricket::CA_ANSWER;
 using cricket::CA_UPDATE;
 using cricket::FakeVoiceMediaChannel;
-using cricket::ScreencastId;
 using cricket::StreamParams;
 using cricket::TransportChannel;