Removed unused cricket::VideoCapturer methods

webrtc/pc/channelmanager.cc

Index: webrtc/pc/channelmanager.cc
diff --git a/webrtc/pc/channelmanager.cc b/webrtc/pc/channelmanager.cc
index fe0564bbc2b230257deefe4967ec6fe175816ffc..92be70ca18346561f8909d4bb8e8d2c4034f3b39 100644
--- a/webrtc/pc/channelmanager.cc
+++ b/webrtc/pc/channelmanager.cc
@@ -455,16 +455,6 @@ bool ChannelManager::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>(
@@ -472,16 +462,6 @@ bool ChannelManager::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_)