cc: Emulate BeginFrame in OutputSurfaces that don't support it natively

content/browser/android/in_process/synchronous_compositor_output_surface.cc

Index: content/browser/android/in_process/synchronous_compositor_output_surface.cc
diff --git a/content/browser/android/in_process/synchronous_compositor_output_surface.cc b/content/browser/android/in_process/synchronous_compositor_output_surface.cc
index d5876e41a3ef8d7ab4a7002a001daff9553cd45a..1368c1239b12489e0485d78c078df43736022583 100644
--- a/content/browser/android/in_process/synchronous_compositor_output_surface.cc
+++ b/content/browser/android/in_process/synchronous_compositor_output_surface.cc
@@ -183,7 +183,7 @@ bool SynchronousCompositorOutputSurface::DemandDrawHw(
       const gfx::Transform& transform,
       gfx::Rect damage_area) {
   DCHECK(CalledOnValidThread());
-  DCHECK(client_);
+  DCHECK(hasClient());
   DCHECK(context3d());
 
   // Force a GL state restore next time a GLContextVirtual is made current.
@@ -206,9 +206,9 @@ void SynchronousCompositorOutputSurface::InvokeComposite(
     gfx::Rect damage_area) {
   // TODO(boliu): This assumes |transform| is identity and |damage_area| is the
   // whole view. Tracking bug to implement this: crbug.com/230463.
-  client_->SetNeedsRedrawRect(damage_area);
+  SetNeedsRedrawRect(damage_area);
   if (needs_begin_frame_)
-    client_->BeginFrame(base::TimeTicks::Now());
+    BeginFrame(base::TimeTicks::Now());
 }
 
 // Not using base::NonThreadSafe as we want to enforce a more exacting threading