Decouple BrowserCompositorOutputSurface from BeginFrameSource.

content/browser/compositor/software_browser_compositor_output_surface.h

Index: content/browser/compositor/software_browser_compositor_output_surface.h
diff --git a/content/browser/compositor/software_browser_compositor_output_surface.h b/content/browser/compositor/software_browser_compositor_output_surface.h
index 7fc5a6b109245b6debc85a6a0380b9844cb6bf90..c5e39950620c5d9264a1bf8617a811659598867a 100644
--- a/content/browser/compositor/software_browser_compositor_output_surface.h
+++ b/content/browser/compositor/software_browser_compositor_output_surface.h
@@ -15,10 +15,6 @@ namespace cc {
 class SoftwareOutputDevice;
 }
 
-namespace ui {
-class CompositorVSyncManager;
-}
-
 namespace content {
 
 class CONTENT_EXPORT SoftwareBrowserCompositorOutputSurface
@@ -26,8 +22,7 @@ class CONTENT_EXPORT SoftwareBrowserCompositorOutputSurface
  public:
   SoftwareBrowserCompositorOutputSurface(
       std::unique_ptr<cc::SoftwareOutputDevice> software_device,
-      const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
-      cc::SyntheticBeginFrameSource* begin_frame_source,
+      const UpdateVSyncParametersCallback& update_vsync_parameters_callback,
       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   ~SoftwareBrowserCompositorOutputSurface() override;