Making OutputSurface a begin frame source and vsync source.

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/auto_reset.h"
 #include "base/logging.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 103 matching lines @@
     delegate->DidBindOutputSurface(this);
 
   return true;
 }
 
 void SynchronousCompositorOutputSurface::Reshape(
     const gfx::Size& size, float scale_factor) {
   // Intentional no-op: surface size is controlled by the embedder.
 }
 
-void SynchronousCompositorOutputSurface::SetNeedsBeginFrame(bool enable) {
+void SynchronousCompositorOutputSurface::SetNeedsBeginFrames(
+    bool needs_begin_frames) {
   DCHECK(CalledOnValidThread());
-  needs_begin_frame_ = enable;
+  needs_begin_frame_ = needs_begin_frames;
   SynchronousCompositorOutputSurfaceDelegate* delegate = GetDelegate();
   if (delegate && !invoking_composite_)
     delegate->SetContinuousInvalidate(needs_begin_frame_);
 }
 
 void SynchronousCompositorOutputSurface::SwapBuffers(
     cc::CompositorFrame* frame) {
   DCHECK(CalledOnValidThread());
 
   frame_holder_.reset(new cc::CompositorFrame);
@@ skipping 89 matching lines @@
 
   gfx::Transform adjusted_transform = transform;
   AdjustTransform(&adjusted_transform, viewport);
   SetExternalDrawConstraints(adjusted_transform,
                              viewport,
                              clip,
                              viewport_rect_for_tile_priority,
                              transform_for_tile_priority,
                              !hardware_draw);
   SetNeedsRedrawRect(gfx::Rect(viewport.size()));
-  client_->BeginFrame(cc::BeginFrameArgs::CreateForSynchronousCompositor());
+  SendBeginFrame(cc::BeginFrameArgs::CreateForSynchronousCompositor());
 
   // After software draws (which might move the viewport arbitrarily), restore
   // the previous hardware viewport to allow CC's tile manager to prioritize
   // properly.
   if (hardware_draw) {
     cached_hw_transform_ = adjusted_transform;
     cached_hw_viewport_ = viewport;
     cached_hw_clip_ = clip;
     cached_hw_viewport_rect_for_tile_priority_ =
         viewport_rect_for_tile_priority;
@@ skipping 45 matching lines @@
 bool SynchronousCompositorOutputSurface::CalledOnValidThread() const {
   return BrowserThread::CurrentlyOn(BrowserThread::UI);
 }
 
 SynchronousCompositorOutputSurfaceDelegate*
 SynchronousCompositorOutputSurface::GetDelegate() {
   return SynchronousCompositorImpl::FromRoutingID(routing_id_);
 }
 
 }  // namespace content