Tab Capture: Backing store readbacks to YV12 VideoFrames.

media/video/capture/screen/screen_capture_device_unittest.cc

Index: media/video/capture/screen/screen_capture_device_unittest.cc
diff --git a/media/video/capture/screen/screen_capture_device_unittest.cc b/media/video/capture/screen/screen_capture_device_unittest.cc
index f14789f4d1d3d2bd9d6e0e4332a8b1f3e7549c35..e2cfb787b097438b63e7acc55bb0dc26619c7b89 100644
--- a/media/video/capture/screen/screen_capture_device_unittest.cc
+++ b/media/video/capture/screen/screen_capture_device_unittest.cc
@@ -37,6 +37,8 @@ class MockFrameObserver : public VideoCaptureDevice::EventHandler {
   MOCK_METHOD1(OnFrameInfo, void(const VideoCaptureCapability& info));
   MOCK_METHOD3(OnIncomingCapturedFrame, void(const uint8* data, int length,
                                              base::Time timestamp));
+  MOCK_METHOD2(OnIncomingCapturedVideoFrame, void(media::VideoFrame* frame,
+                                                  base::Time timestamp));
 };
 
 // TODO(sergeyu): Move this to a separate file where it can be reused.