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

cc/surfaces/surface_display_output_surface.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 CC_SURFACES_SURFACE_DISPLAY_OUTPUT_SURFACE_H_
 #define CC_SURFACES_SURFACE_DISPLAY_OUTPUT_SURFACE_H_
 
 #include "base/macros.h"
 #include "base/threading/thread_checker.h"
 #include "cc/output/output_surface.h"
@@ skipping 23 matching lines @@
       scoped_refptr<ContextProvider> context_provider,
       scoped_refptr<ContextProvider> worker_context_provider);
   SurfaceDisplayOutputSurface(
       SurfaceManager* surface_manager,
       SurfaceIdAllocator* allocator,
       Display* display,
       scoped_refptr<VulkanContextProvider> vulkan_context_provider);
   ~SurfaceDisplayOutputSurface() override;
 
   // OutputSurface implementation.
-  void SwapBuffers(CompositorFrame* frame) override;
+  void SwapBuffers(CompositorFrame frame) override;
   bool BindToClient(OutputSurfaceClient* client) override;
   void ForceReclaimResources() override;
   void DetachFromClient() override;
   void BindFramebuffer() override;
   uint32_t GetFramebufferCopyTextureFormat() override;
 
   // SurfaceFactoryClient implementation.
   void ReturnResources(const ReturnedResourceArray& resources) override;
   void SetBeginFrameSource(BeginFrameSource* begin_frame_source) override;
 
@@ skipping 14 matching lines @@
   SurfaceId delegated_surface_id_;
   gfx::Size last_swap_frame_size_;
   bool output_surface_lost_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(SurfaceDisplayOutputSurface);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_SURFACE_DISPLAY_OUTPUT_SURFACE_H_