Add metadata to media::VideoFrame and plumb it through IPC/MediaStream.

content/renderer/media/video_capture_impl_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/message_loop/message_loop.h"
 #include "content/child/child_process.h"
 #include "content/common/media/video_capture_messages.h"
 #include "content/renderer/media/video_capture_impl.h"
 #include "media/base/bind_to_current_loop.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 111 matching lines @@
     video_capture_impl_.reset(new MockVideoCaptureImpl(
         session_id_, message_filter_.get()));
 
     video_capture_impl_->device_id_ = 2;
   }
 
   virtual ~VideoCaptureImplTest() {
   }
 
  protected:
-  MOCK_METHOD3(OnFrameReady,
+  MOCK_METHOD2(OnFrameReady,
               void(const scoped_refptr<media::VideoFrame>&,
-                   const media::VideoCaptureFormat&,
                    const base::TimeTicks&));
   MOCK_METHOD1(OnStateUpdate, void(VideoCaptureState));
   MOCK_METHOD1(OnDeviceFormatsInUse,
                void(const media::VideoCaptureFormats&));
   MOCK_METHOD1(OnDeviceSupportedFormats,
                void(const media::VideoCaptureFormats&));
 
   void Init() {
     video_capture_impl_->Init();
   }
@@ skipping 159 matching lines @@
    StartCapture(0, params_small_);
 
    // Receive state change message from browser.
    video_capture_impl_->ReceiveStateChangeMessage(VIDEO_CAPTURE_STATE_ERROR);
 
    StopCapture(0);
    DeInit();
 }
 
 }  // namespace content