Make cc::CompositorFrames movable [Part 1 of 2]

content/browser/devtools/protocol/page_handler.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_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_
 
 #include <stddef.h>
 
 #include "base/compiler_specific.h"
@@ skipping 21 matching lines @@
 class PageHandler : public NotificationObserver {
  public:
   typedef DevToolsProtocolClient::Response Response;
 
   PageHandler();
   ~PageHandler() override;
 
   void SetRenderFrameHost(RenderFrameHostImpl* host);
   void SetClient(std::unique_ptr<Client> client);
   void Detached();
-  void OnSwapCompositorFrame(const cc::CompositorFrameMetadata& frame_metadata);
-  void OnSynchronousSwapCompositorFrame(const cc::CompositorFrameMetadata&
-      frame_metadata);
+  void OnSwapCompositorFrame(cc::CompositorFrameMetadata frame_metadata);
+  void OnSynchronousSwapCompositorFrame(
+      cc::CompositorFrameMetadata frame_metadata);
   void DidAttachInterstitialPage();
   void DidDetachInterstitialPage();
   bool screencast_enabled() const { return enabled_ && screencast_enabled_; }
 
   Response Enable();
   Response Disable();
 
   Response Reload(const bool* bypassCache,
                   const std::string* script_to_evaluate_on_load,
                   const std::string* script_preprocessor = NULL);
@@ skipping 21 matching lines @@
   Response QueryUsageAndQuota(DevToolsCommandId command_id,
                               const std::string& security_origin);
 
   Response SetColorPickerEnabled(bool enabled);
   Response RequestAppBanner();
 
  private:
   WebContentsImpl* GetWebContents();
   void NotifyScreencastVisibility(bool visible);
   void InnerSwapCompositorFrame();
-  void ScreencastFrameCaptured(const cc::CompositorFrameMetadata& metadata,
+  void ScreencastFrameCaptured(cc::CompositorFrameMetadata metadata,
                                const SkBitmap& bitmap,
                                ReadbackResponse response);
-  void ScreencastFrameEncoded(const cc::CompositorFrameMetadata& metadata,
+  void ScreencastFrameEncoded(cc::CompositorFrameMetadata metadata,
                               const base::Time& timestamp,
                               const std::string& data);
 
   void ScreenshotCaptured(
       DevToolsCommandId command_id,
       const unsigned char* png_data,
       size_t png_size);
 
   void OnColorPicked(int r, int g, int b, int a);
 
@@ skipping 26 matching lines @@
   base::WeakPtrFactory<PageHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PageHandler);
 };
 
 }  // namespace page
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_