Add GetFrameConsumer() in VideoRenderer.

remoting/test/test_video_renderer.cc

Index: remoting/test/test_video_renderer.cc
diff --git a/remoting/test/test_video_renderer.cc b/remoting/test/test_video_renderer.cc
index 53557725cf0030916b49ba95fa8738d77d756789..42bd96fb757217e35f54491264bde783f82ad7d8 100644
--- a/remoting/test/test_video_renderer.cc
+++ b/remoting/test/test_video_renderer.cc
@@ -310,6 +310,12 @@ protocol::VideoStub* TestVideoRenderer::GetVideoStub() {
   return this;
 }
 
+protocol::FrameConsumer* TestVideoRenderer::GetFrameConsumer() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  NOTREACHED();
+  return nullptr;
+}
+
 void TestVideoRenderer::ProcessVideoPacket(scoped_ptr<VideoPacket> video_packet,
                                            const base::Closure& done) {
   DCHECK(thread_checker_.CalledOnValidThread());