Hook up ui::Compositor to Display's BeginFrameSource

content/browser/compositor/gpu_surfaceless_browser_compositor_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 CONTENT_BROWSER_COMPOSITOR_GPU_SURFACELESS_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 #define CONTENT_BROWSER_COMPOSITOR_GPU_SURFACELESS_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include "content/browser/compositor/gpu_browser_compositor_output_surface.h"
 
 namespace content {
 
 class BrowserGpuMemoryBufferManager;
 class BufferQueue;
 class GLHelper;
 
 class GpuSurfacelessBrowserCompositorOutputSurface
     : public GpuBrowserCompositorOutputSurface {
  public:
   GpuSurfacelessBrowserCompositorOutputSurface(
       const scoped_refptr<ContextProviderCommandBuffer>& context,
       const scoped_refptr<ContextProviderCommandBuffer>& worker_context,
       int surface_id,
       const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
+      scoped_ptr<cc::SyntheticBeginFrameSource> synthetic_begin_frame_source,
       scoped_ptr<BrowserCompositorOverlayCandidateValidator>
           overlay_candidate_validator,
       unsigned int target,
       unsigned int internalformat,
       BrowserGpuMemoryBufferManager* gpu_memory_buffer_manager);
   ~GpuSurfacelessBrowserCompositorOutputSurface() override;
 
  private:
   // cc::OutputSurface implementation.
   void SwapBuffers(cc::CompositorFrame* frame) override;
@@ skipping 10 matching lines @@
 
   unsigned int internalformat_;
   scoped_ptr<GLHelper> gl_helper_;
   scoped_ptr<BufferQueue> output_surface_;
   BrowserGpuMemoryBufferManager* gpu_memory_buffer_manager_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_GPU_SURFACELESS_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_