Very basic Android browser-side compositing support.

content/browser/android/draw_delegate_impl.cc

-// Copyright (c) 2012 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/draw_delegate_impl.h"
-
-#include "base/memory/singleton.h"
-
-namespace content {
-
-// static
-DrawDelegate* DrawDelegate::GetInstance() {
-  return DrawDelegateImpl::GetInstance();
-}
-
-// static
-DrawDelegateImpl* DrawDelegateImpl::GetInstance() {
-  return Singleton<DrawDelegateImpl>::get();
-}
-
-DrawDelegateImpl::DrawDelegateImpl() {
-}
-
-DrawDelegateImpl::~DrawDelegateImpl() {
-}
-
-void DrawDelegateImpl::SetUpdateCallback(
-    const SurfaceUpdatedCallback& callback) {
-  draw_callback_ = callback;
-}
-
-void DrawDelegateImpl::SetBounds(const gfx::Size& size) {
-  size_ = size;
-}
-
-void DrawDelegateImpl::OnSurfaceUpdated(
-    uint64 texture, RenderWidgetHostView* view,
-    const SurfacePresentedCallback& present_callback) {
-  draw_callback_.Run(texture, view, present_callback);
-}
-
-}  // namespace content