Implement client-side video stream support for WebRTC-based protocol.

remoting/protocol/webrtc_transport.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/protocol/webrtc_transport.h"
 
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/macros.h"
@@ skipping 330 matching lines @@
     event_handler_->OnWebrtcTransportError(error);
 }
 
 void WebrtcTransport::OnSignalingChange(
     webrtc::PeerConnectionInterface::SignalingState new_state) {
   DCHECK(thread_checker_.CalledOnValidThread());
 }
 
 void WebrtcTransport::OnAddStream(webrtc::MediaStreamInterface* stream) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  LOG(ERROR) << "Stream added " << stream->label();
+  event_handler_->OnWebrtcTransportMediaStreamAdded(stream);
 }
 
 void WebrtcTransport::OnRemoveStream(webrtc::MediaStreamInterface* stream) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  LOG(ERROR) << "Stream removed " << stream->label();
+  event_handler_->OnWebrtcTransportMediaStreamRemoved(stream);
 }
 
 void WebrtcTransport::OnDataChannel(
     webrtc::DataChannelInterface* data_channel) {
   DCHECK(thread_checker_.CalledOnValidThread());
   incoming_data_stream_adapter_.OnIncomingDataChannel(data_channel);
 }
 
 void WebrtcTransport::OnRenegotiationNeeded() {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 115 matching lines @@
         Close(INCOMPATIBLE_PROTOCOL);
         return;
       }
     }
     pending_incoming_candidates_.clear();
   }
 }
 
 }  // namespace protocol
 }  // namespace remoting