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..245e25ead108d211bbbd1a811ff9d6bd0ae7a209 100644
--- a/content/renderer/media/video_capture_message_filter_unittest.cc
+++ b/content/renderer/media/video_capture_message_filter_unittest.cc
@@ -50,6 +50,20 @@ class MockVideoCaptureDelegate : public VideoCaptureMessageFilter::Delegate {
     device_id_ = device_id;
   }
 
+  // TODO(hshi): implement the following methods for encoded video capture.
+  virtual void OnCapabilitiesAvailable(
+      const media::VideoEncodingCapabilities& capabilities) OVERRIDE {}
+  virtual void OnBitstreamOpened(
+      const media::VideoEncodingParameters& params,
+      const std::map<int, base::SharedMemoryHandle>& buffers) OVERRIDE {}
+  virtual void OnBitstreamClosed() OVERRIDE {}
+  virtual void OnBitstreamConfigChanged(
+      const media::RuntimeVideoEncodingParameters& params) OVERRIDE {}
+  virtual void OnBitstreamReady(
+      int buffer_id,
+      int size,
+      const media::BufferEncodingMetadata& metadata) OVERRIDE {}
+
   void Reset() {
     buffer_created_ = false;
     handle_ = base::SharedMemory::NULLHandle();