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

content/browser/android/in_process/synchronous_compositor_output_surface.cc

 // Copyright 2013 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/android/in_process/synchronous_compositor_output_surface.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/time.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 165 matching lines @@
   bool finished_draw = current_sw_canvas_ == NULL;
   current_sw_canvas_ = NULL;
   return finished_draw;
 }
 
 bool SynchronousCompositorOutputSurface::DemandDrawHw(
       gfx::Size view_size,
       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.
   // TODO(boliu): Move this to the end of this function after we have fixed
   // all cases of MakeCurrent calls outside of draws. Tracked in
   // crbug.com/239856.
   gfx::GLContext* current_context = gfx::GLContext::GetCurrent();
   if (current_context)
     current_context->ReleaseCurrent(NULL);
 
   did_swap_buffer_ = false;
 
   InvokeComposite(transform, damage_area);
 
   return did_swap_buffer_;
 }
 
 void SynchronousCompositorOutputSurface::InvokeComposite(
     const gfx::Transform& transform,
     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
 // requirement: SynchronousCompositorOutputSurface() must only be used on the UI
 // thread.
 bool SynchronousCompositorOutputSurface::CalledOnValidThread() const {
   return BrowserThread::CurrentlyOn(BrowserThread::UI);
 }
 
 SynchronousCompositorOutputSurfaceDelegate*
 SynchronousCompositorOutputSurface::GetDelegate() {
   return SynchronousCompositorImpl::FromRoutingID(routing_id_);
 }
 
 }  // namespace content