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

content/browser/renderer_host/media/video_capture_controller_event_handler.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_EVENT_HANDLER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_EVENT_HANDLER_H_
 
 #include <memory>
 
 #include "base/memory/shared_memory.h"
@@ skipping 39 matching lines @@
       VideoCaptureControllerID id,
       int buffer_id,
       const media::mojom::VideoFrameInfoPtr& frame_info) = 0;
 
   // The capture session has ended and no more frames will be sent.
   virtual void OnEnded(VideoCaptureControllerID id) = 0;
 
   // VideoCaptureDevice has successfully started the device.
   virtual void OnStarted(VideoCaptureControllerID id) = 0;
 
+  virtual void OnStartedUsingGpuDecode(VideoCaptureControllerID id) = 0;
+
  protected:
   virtual ~VideoCaptureControllerEventHandler() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_EVENT_HANDLER_H_