Add WebrtcVideoEncoder interface

remoting/protocol/webrtc_connection_to_client.cc

Index: remoting/protocol/webrtc_connection_to_client.cc
diff --git a/remoting/protocol/webrtc_connection_to_client.cc b/remoting/protocol/webrtc_connection_to_client.cc
index 92430d6d0d0df94171d73760c6e6ed3cd79ca07d..a59fe025e9328aecb00a5986ead908187266264d 100644
--- a/remoting/protocol/webrtc_connection_to_client.cc
+++ b/remoting/protocol/webrtc_connection_to_client.cc
@@ -11,7 +11,6 @@
 #include "jingle/glue/thread_wrapper.h"
 #include "net/base/io_buffer.h"
 #include "remoting/codec/video_encoder.h"
-#include "remoting/codec/webrtc_video_encoder_vpx.h"
 #include "remoting/protocol/audio_writer.h"
 #include "remoting/protocol/clipboard_stub.h"
 #include "remoting/protocol/host_control_dispatcher.h"
@@ -78,12 +77,9 @@ void WebrtcConnectionToClient::OnInputEventReceived(int64_t timestamp) {
 
 std::unique_ptr<VideoStream> WebrtcConnectionToClient::StartVideoStream(
     std::unique_ptr<webrtc::DesktopCapturer> desktop_capturer) {
-  // TODO(isheriff): make this codec independent
-  std::unique_ptr<VideoEncoder> video_encoder =
-      WebrtcVideoEncoderVpx::CreateForVP8();
   std::unique_ptr<WebrtcVideoStream> stream(new WebrtcVideoStream());
   if (!stream->Start(std::move(desktop_capturer), transport_.get(),
-                     video_encode_task_runner_, std::move(video_encoder))) {
+                     video_encode_task_runner_)) {
     return nullptr;
   }
   return std::move(stream);