Consistent CopyFromSurface() API, consolidated to RWHV

content/browser/renderer_host/browser_compositor_view_mac.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_BROWSER_RENDERER_HOST_BROWSER_COMPOSITOR_VIEW_MAC_H_
 #define CONTENT_BROWSER_RENDERER_HOST_BROWSER_COMPOSITOR_VIEW_MAC_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 72 matching lines @@
 
   // These functions will track the number of outstanding copy requests, and
   // will not allow the ui::Compositor to be detached until all outstanding
   // copies have returned.
   void CopyFromCompositingSurface(const gfx::Rect& src_subrect,
                                   const gfx::Size& dst_size,
                                   const ReadbackRequestCallback& callback,
                                   SkColorType preferred_color_type);
   void CopyFromCompositingSurfaceToVideoFrame(
       const gfx::Rect& src_subrect,
-      const scoped_refptr<media::VideoFrame>& target,
+      scoped_refptr<media::VideoFrame> target,
       const base::Callback<void(const gfx::Rect&, bool)>& callback);
 
   // Indicate that the recyclable compositor should be destroyed, and no future
   // compositors should be recycled.
   static void DisableRecyclingForShutdown();
 
   // DelegatedFrameHostClient implementation.
   ui::Layer* DelegatedFrameHostGetLayer() const override;
   bool DelegatedFrameHostIsVisible() const override;
   SkColor DelegatedFrameHostGetGutterColor(SkColor color) const override;
@@ skipping 77 matching lines @@
   cc::BeginFrameSource* begin_frame_source_ = nullptr;
   cc::BeginFrameArgs last_begin_frame_args_;
   bool needs_begin_frames_ = false;
 
   base::WeakPtrFactory<BrowserCompositorMac> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BROWSER_COMPOSITOR_VIEW_MAC_H_