sync compositor: Add output_surface_id

content/browser/android/synchronous_compositor_host.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 CONTENT_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_HOST_H_
 #define CONTENT_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 15 matching lines @@
 class SynchronousCompositorClient;
 struct DidOverscrollParams;
 struct SyncCompositorCommonBrowserParams;
 struct SyncCompositorCommonRendererParams;
 
 class SynchronousCompositorHost : public SynchronousCompositorBase {
  public:
   ~SynchronousCompositorHost() override;
 
   // SynchronousCompositor overrides.
-  scoped_ptr<cc::CompositorFrame> DemandDrawHw(
+  SynchronousCompositor::Frame DemandDrawHw(
       const gfx::Size& surface_size,
       const gfx::Transform& transform,
       const gfx::Rect& viewport,
       const gfx::Rect& clip,
       const gfx::Rect& viewport_rect_for_tile_priority,
       const gfx::Transform& transform_for_tile_priority) override;
   bool DemandDrawSw(SkCanvas* canvas) override;
-  void ReturnResources(const cc::CompositorFrameAck& frame_ack) override;
+  void ReturnResources(uint32_t output_surface_id,
+                       const cc::CompositorFrameAck& frame_ack) override;
   void SetMemoryPolicy(size_t bytes_limit) override;
   void DidChangeRootLayerScrollOffset(
       const gfx::ScrollOffset& root_offset) override;
   void SetIsActive(bool is_active) override;
   void OnComputeScroll(base::TimeTicks animation_time) override;
 
   // SynchronousCompositorBase overrides.
   InputEventAckState HandleInputEvent(
       const blink::WebInputEvent& input_event) override;
   void DidOverscroll(const DidOverscrollParams& over_scroll_params) override;
@@ skipping 26 matching lines @@
   RenderWidgetHostViewAndroid* const rwhva_;
   SynchronousCompositorClient* const client_;
   const scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
   const int routing_id_;
   IPC::Sender* const sender_;
   const bool async_input_;
   const bool use_in_process_zero_copy_software_draw_;
 
   bool is_active_;
   size_t bytes_limit_;
+  uint32_t output_surface_id_from_last_draw_;
   cc::ReturnedResourceArray returned_resources_;
   scoped_ptr<SharedMemoryWithSize> software_draw_shm_;
 
   // Updated by both renderer and browser.
   gfx::ScrollOffset root_scroll_offset_;
   bool root_scroll_offset_updated_by_browser_;
 
   // From renderer.
   uint32_t renderer_param_version_;
   bool need_animate_scroll_;
   uint32_t need_invalidate_count_;
   bool need_begin_frame_;
   uint32_t did_activate_pending_tree_count_;
 
   base::WeakPtrFactory<SynchronousCompositorHost> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_HOST_H_