Define EncodedVideoSource and RtcCapturedEncodingVideoCapturer.

content/renderer/media/video_capture_message_filter_unittest.cc

Index: content/renderer/media/video_capture_message_filter_unittest.cc
diff --git a/content/renderer/media/video_capture_message_filter_unittest.cc b/content/renderer/media/video_capture_message_filter_unittest.cc
index b0ffbc719e9068cc4d1bd039e53266acc3e629d0..c1ca9b423fffd036596217f646803d593c115d0f 100644
--- a/content/renderer/media/video_capture_message_filter_unittest.cc
+++ b/content/renderer/media/video_capture_message_filter_unittest.cc
@@ -50,6 +50,23 @@ class MockVideoCaptureDelegate : public VideoCaptureMessageFilter::Delegate {
     device_id_ = device_id;
   }
 
+  // TODO: implement the following methods for encoded video capture.

[Ami GONE FROM CHROMIUM, 2013/06/08 00:18:01]

I think this TODO is really 
// TODO(hshi): add tests for EVS functionality.

Which makes me wonder - how will we know we haven't broken this code once it
lands?

+  virtual void OnCapabilityAvailable(
+      const media::VideoEncodingCapability& capability) OVERRIDE {}
+  virtual void OnBitstreamCreated(
+      int stream_id,
+      const media::VideoEncodingParameters& params,
+      const std::map<int, base::SharedMemoryHandle>& buffers) OVERRIDE {}
+  virtual void OnBitstreamDestroyed(int stream_id) OVERRIDE {}
+  virtual void OnBitstreamConfigChanged(
+      int stream_id,
+      const media::RuntimeVideoEncodingParameters& params) OVERRIDE {}
+  virtual void OnBitstreamReady(
+      int stream_id,
+      int buffer_id,
+      size_t size,
+      const media::BufferEncodingMetadata& metadata) OVERRIDE {}
+
   void Reset() {
     buffer_created_ = false;
     handle_ = base::SharedMemory::NULLHandle();