Revert of Removed unused cricket::VideoCapturer methods

webrtc/pc/channelmanager.cc

 /*
  *  Copyright 2004 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.
  */
 
@@ skipping 437 matching lines @@
 // all local video capturers, processors, and managers should move
 // to.
 // TODO(pthatcher): Add more of the CaptureManager interface.
 bool ChannelManager::StartVideoCapture(
     VideoCapturer* capturer, const VideoFormat& video_format) {
   return initialized_ && worker_thread_->Invoke<bool>(
       Bind(&CaptureManager::StartVideoCapture,
            capture_manager_.get(), capturer, video_format));
 }
 
+bool ChannelManager::MuteToBlackThenPause(
+    VideoCapturer* video_capturer, bool muted) {
+  if (!initialized_) {
+    return false;
+  }
+  worker_thread_->Invoke<void>(
+      Bind(&VideoCapturer::MuteToBlackThenPause, video_capturer, muted));
+  return true;
+}
+
 bool ChannelManager::StopVideoCapture(
     VideoCapturer* capturer, const VideoFormat& video_format) {
   return initialized_ && worker_thread_->Invoke<bool>(
       Bind(&CaptureManager::StopVideoCapture,
            capture_manager_.get(), capturer, video_format));
 }
 
+bool ChannelManager::RestartVideoCapture(
+    VideoCapturer* video_capturer,
+    const VideoFormat& previous_format,
+    const VideoFormat& desired_format,
+    CaptureManager::RestartOptions options) {
+  return initialized_ && worker_thread_->Invoke<bool>(
+      Bind(&CaptureManager::RestartVideoCapture, capture_manager_.get(),
+           video_capturer, previous_format, desired_format, options));
+}
+
 void ChannelManager::AddVideoSink(
     VideoCapturer* capturer, rtc::VideoSinkInterface<VideoFrame>* sink) {
   if (initialized_)
     worker_thread_->Invoke<void>(
         Bind(&CaptureManager::AddVideoSink,
              capture_manager_.get(), capturer, sink));
 }
 
 void ChannelManager::RemoveVideoSink(
     VideoCapturer* capturer, rtc::VideoSinkInterface<VideoFrame>* sink) {
@@ skipping 55 matching lines @@
   return worker_thread_->Invoke<bool>(
       Bind(&MediaEngineInterface::StartRtcEventLog, media_engine_.get(), file));
 }
 
 void ChannelManager::StopRtcEventLog() {
   worker_thread_->Invoke<void>(
       Bind(&MediaEngineInterface::StopRtcEventLog, media_engine_.get()));
 }
 
 }  // namespace cricket