Hook up ui::Compositor to Display's BeginFrameSource

content/browser/compositor/offscreen_browser_compositor_output_surface.cc

 // Copyright 2015 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 "content/browser/compositor/offscreen_browser_compositor_output_surface.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 17 matching lines @@
 using cc::ResourceProvider;
 using gpu::gles2::GLES2Interface;
 
 namespace content {
 
 OffscreenBrowserCompositorOutputSurface::
     OffscreenBrowserCompositorOutputSurface(
         const scoped_refptr<ContextProviderCommandBuffer>& context,
         const scoped_refptr<ContextProviderCommandBuffer>& worker_context,
         const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
+        scoped_ptr<cc::SyntheticBeginFrameSource> synthetic_begin_frame_source,
         scoped_ptr<BrowserCompositorOverlayCandidateValidator>
             overlay_candidate_validator)
     : BrowserCompositorOutputSurface(context,
                                      worker_context,
                                      vsync_manager,
+                                     std::move(synthetic_begin_frame_source),
                                      std::move(overlay_candidate_validator)),
       fbo_(0),
       is_backbuffer_discarded_(false),
       weak_ptr_factory_(this) {
   capabilities_.uses_default_gl_framebuffer = false;
 }
 
 OffscreenBrowserCompositorOutputSurface::
     ~OffscreenBrowserCompositorOutputSurface() {
   DiscardBackbuffer();
@@ skipping 113 matching lines @@
 #if defined(OS_MACOSX)
 
 bool OffscreenBrowserCompositorOutputSurface::
 SurfaceShouldNotShowFramesAfterSuspendForRecycle() const {
   return true;
 }
 
 #endif
 
 }  // namespace content