[Mojo Video Capture] Replace const scoped_refptr<T>& with scoped_refptr<T> and use std::move

media/capture/video/video_capture_device_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 "media/capture/video/video_capture_device.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 117 matching lines @@
     DoReserveOutputBuffer();
     NOTREACHED() << "This should never be called";
     return std::unique_ptr<Buffer>();
   }
   void OnIncomingCapturedBuffer(std::unique_ptr<Buffer> buffer,
                                 const VideoCaptureFormat& frame_format,
                                 base::TimeTicks reference_time,
                                 base::TimeDelta timestamp) override {
     DoOnIncomingCapturedBuffer();
   }
-  void OnIncomingCapturedVideoFrame(
-      std::unique_ptr<Buffer> buffer,
-      const scoped_refptr<VideoFrame>& frame) override {
+  void OnIncomingCapturedVideoFrame(std::unique_ptr<Buffer> buffer,
+                                    scoped_refptr<VideoFrame> frame) override {
     DoOnIncomingCapturedVideoFrame();
   }
   std::unique_ptr<Buffer> ResurrectLastOutputBuffer(
       const gfx::Size& dimensions,
       media::VideoPixelFormat format,
       media::VideoPixelStorage storage) {
     DoResurrectLastOutputBuffer();
     NOTREACHED() << "This should never be called";
     return std::unique_ptr<Buffer>();
   }
@@ skipping 479 matching lines @@
 
   device->GetPhotoCapabilities(std::move(scoped_get_callback));
   run_loop.Run();
 
   ASSERT_TRUE(image_capture_client_->capabilities());
 
   device->StopAndDeAllocate();
 }
 
 };  // namespace media