Added FrameFuture class

android_webview/browser/child_frame.h

 // Copyright 2015 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.
 
 #ifndef ANDROID_WEBVIEW_BROWSER_CHILD_FRAME_H_
 #define ANDROID_WEBVIEW_BROWSER_CHILD_FRAME_H_
 
 #include <memory>
 
 #include "android_webview/browser/compositor_id.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "content/public/browser/android/synchronous_compositor.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/transform.h"
 
-namespace cc {
-class CompositorFrame;
-}
-
 namespace android_webview {
 
 class ChildFrame {
  public:
-  ChildFrame(uint32_t compositor_frame_sink_id,
-             std::unique_ptr<cc::CompositorFrame> frame,
+  ChildFrame(const scoped_refptr<content::SynchronousCompositor::FrameFuture>&
+                 frame_future,
              const CompositorID& compositor_id,
              bool viewport_rect_for_tile_priority_empty,
              const gfx::Transform& transform_for_tile_priority,
              bool offscreen_pre_raster,
              bool is_layer);
   ~ChildFrame();
 
-  const uint32_t compositor_frame_sink_id;
-  std::unique_ptr<cc::CompositorFrame> frame;
+  scoped_refptr<content::SynchronousCompositor::FrameFuture> frame_future;
   // The id of the compositor this |frame| comes from.
   const CompositorID compositor_id;
   const bool viewport_rect_for_tile_priority_empty;
   const gfx::Transform transform_for_tile_priority;
   const bool offscreen_pre_raster;
   const bool is_layer;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChildFrame);
 };
 
 }  // namespace webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_CHILD_FRAME_H_