Add WebrtcVideoEncoder interface

remoting/client/software_video_renderer_unittest.cc

Index: remoting/client/software_video_renderer_unittest.cc
diff --git a/remoting/client/software_video_renderer_unittest.cc b/remoting/client/software_video_renderer_unittest.cc
index 832cd8fcc119645295a4d5c9ab31eb21829da7a4..7aa113c167fcbcaf90f9f3172784b401692bde86 100644
--- a/remoting/client/software_video_renderer_unittest.cc
+++ b/remoting/client/software_video_renderer_unittest.cc
@@ -167,7 +167,7 @@ TEST_F(SoftwareVideoRendererTest, DecodeFrame) {
     callback_called[frame_index] = 0;
 
     renderer_->ProcessVideoPacket(
-        encoder_.Encode(*test_frames[frame_index], 0),
+        encoder_.Encode(*test_frames[frame_index]),
         base::Bind(&SetTrue, &(callback_called[frame_index])));
   }