Remove unused parameters from MediaStreamVideoSource::StartCaptureImpl()

content/renderer/media/mock_media_stream_video_source.h

 // Copyright 2014 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_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_
 #define CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_
 
 #include "content/renderer/media/media_stream_video_source.h"
 
 #include "base/macros.h"
@@ skipping 37 matching lines @@
     MediaStreamVideoSource::SetMutedState(muted_state);
     DoSetMutedState(muted_state);
   }
 
   // Implements MediaStreamVideoSource.
   void RequestRefreshFrame() override;
 
  protected:
   // Implements MediaStreamVideoSource.
   void StartSourceImpl(
-      const media::VideoCaptureFormat& format,
-      const blink::WebMediaConstraints& constraints,
       const VideoCaptureDeliverFrameCB& frame_callback) override;
   void StopSourceImpl() override;
   base::Optional<media::VideoCaptureFormat> GetCurrentFormatImpl()
       const override;
 
  private:
   media::VideoCaptureFormat format_;
   bool respond_to_request_refresh_frame_;
   int max_requested_height_;
   int max_requested_width_;
   double max_requested_frame_rate_;
   bool attempted_to_start_;
   VideoCaptureDeliverFrameCB frame_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(MockMediaStreamVideoSource);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_