Reland [Mojo Video Capture] Add test coverage for accelerated jpeg decoding

content/browser/renderer_host/media/video_capture_manager_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.
 
 // Unit test for VideoCaptureManager.
 
 #include "content/browser/renderer_host/media/video_capture_manager.h"
 
 #include <stdint.h>
 
@@ skipping 133 matching lines @@
   MOCK_METHOD2(Opened, void(MediaStreamType, int));
   MOCK_METHOD2(Closed, void(MediaStreamType, int));
   MOCK_METHOD2(Aborted, void(MediaStreamType, int));
 };  // class MockMediaStreamProviderListener
 
 // Needed as an input argument to StartCaptureForClient().
 class MockFrameObserver : public VideoCaptureControllerEventHandler {
  public:
   MOCK_METHOD1(OnError, void(VideoCaptureControllerID id));
   MOCK_METHOD1(OnStarted, void(VideoCaptureControllerID id));
+  MOCK_METHOD1(OnStartedUsingGpuDecode, void(VideoCaptureControllerID id));
 
   void OnBufferCreated(VideoCaptureControllerID id,
                        mojo::ScopedSharedBufferHandle handle,
                        int length, int buffer_id) override {}
   void OnBufferDestroyed(VideoCaptureControllerID id, int buffer_id) override {}
   void OnBufferReady(
       VideoCaptureControllerID id,
       int buffer_id,
       const media::mojom::VideoFrameInfoPtr& frame_info) override {}
   void OnEnded(VideoCaptureControllerID id) override {}
@@ skipping 625 matching lines @@
   // Wait to check callbacks before removing the listener.
   base::RunLoop().RunUntilIdle();
   vcm_->UnregisterListener(listener_.get());
 }
 #endif
 
 // TODO(mcasas): Add a test to check consolidation of the supported formats
 // provided by the device when http://crbug.com/323913 is closed.
 
 }  // namespace content