Replace SetCapturer and SetCaptureDevice by SetSource.

webrtc/media/engine/webrtcvideoengine2.h

Index: webrtc/media/engine/webrtcvideoengine2.h
diff --git a/webrtc/media/engine/webrtcvideoengine2.h b/webrtc/media/engine/webrtcvideoengine2.h
index 27eadb299ae69160ba7d9a41ca38c74463f4b691..5ae0c71bf135a84305b647b7a6df96c75946e012 100644
--- a/webrtc/media/engine/webrtcvideoengine2.h
+++ b/webrtc/media/engine/webrtcvideoengine2.h
@@ -161,7 +161,9 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
   bool SetSink(uint32_t ssrc,
                rtc::VideoSinkInterface<VideoFrame>* sink) override;
   bool GetStats(VideoMediaInfo* info) override;
-  bool SetCapturer(uint32_t ssrc, VideoCapturer* capturer) override;
+  void SetSource(
+      uint32_t ssrc,
+      rtc::VideoSourceInterface<cricket::VideoFrame>* source) override;
 
   void OnPacketReceived(rtc::CopyOnWriteBuffer* packet,
                         const rtc::PacketTime& packet_time) override;
@@ -207,8 +209,6 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
   bool GetChangedRecvParameters(const VideoRecvParameters& params,
                                 ChangedRecvParameters* changed_params) const;
 
-  bool MuteStream(uint32_t ssrc, bool mute);
-
   void SetMaxSendBandwidth(int bps);
   void SetOptions(uint32_t ssrc, const VideoOptions& options);
 
@@ -225,7 +225,7 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
   static std::string CodecSettingsVectorToString(
       const std::vector<VideoCodecSettings>& codecs);
 
-  // Wrapper for the sender part, this is where the capturer is connected and
+  // Wrapper for the sender part, this is where the source is connected and
   // frames are then converted from cricket frames to webrtc frames.
   class WebRtcVideoSendStream
       : public rtc::VideoSinkInterface<cricket::VideoFrame>,
@@ -250,9 +250,8 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
     bool SetRtpParameters(const webrtc::RtpParameters& parameters);
 
     void OnFrame(const cricket::VideoFrame& frame) override;
-    bool SetCapturer(VideoCapturer* capturer);
-    void MuteStream(bool mute);
-    bool DisconnectCapturer();
+    void SetSource(rtc::VideoSourceInterface<cricket::VideoFrame>* source);
+    void DisconnectSource();
 
     void Start();
     void Stop();
@@ -353,12 +352,12 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
     webrtc::Call* const call_;
     rtc::VideoSinkWants sink_wants_;
     // Counter used for deciding if the video resolution is currently
-    // restricted by CPU usage. It is reset if |capturer_| is changed.
+    // restricted by CPU usage. It is reset if |source_| is changed.
     int cpu_restricted_counter_;
     // Total number of times resolution as been requested to be changed due to
     // CPU adaptation.
     int number_of_cpu_adapt_changes_;
-    VideoCapturer* capturer_;
+    rtc::VideoSourceInterface<cricket::VideoFrame>* source_;
     WebRtcVideoEncoderFactory* const external_encoder_factory_
         GUARDED_BY(lock_);
 
@@ -376,19 +375,21 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
     bool pending_encoder_reconfiguration_ GUARDED_BY(lock_);
     VideoEncoderSettings encoder_settings_ GUARDED_BY(lock_);
     AllocatedEncoder allocated_encoder_ GUARDED_BY(lock_);
+    // Original frame dimension, before adaptation due to cpu or
+    // network bottlenecks.
+    Dimensions input_dimensions_ GUARDED_BY(lock_);
     Dimensions last_dimensions_ GUARDED_BY(lock_);
     webrtc::VideoRotation last_rotation_ GUARDED_BY(lock_) =
         webrtc::kVideoRotation_0;
 
     bool sending_ GUARDED_BY(lock_);
-    bool muted_ GUARDED_BY(lock_);
 
     // The timestamp of the first frame received
     // Used to generate the timestamps of subsequent frames
     int64_t first_frame_timestamp_ms_ GUARDED_BY(lock_);
 
     // The timestamp of the last frame received
-    // Used to generate timestamp for the black frame when capturer is removed
+    // Used to generate timestamp for the black frame when source is removed
     int64_t last_frame_timestamp_ms_ GUARDED_BY(lock_);
   };