OnDrawHardware() implementation with async messages

content/browser/android/synchronous_compositor_host.h

Index: content/browser/android/synchronous_compositor_host.h
diff --git a/content/browser/android/synchronous_compositor_host.h b/content/browser/android/synchronous_compositor_host.h
index c864122979a50527f0af860010f4c0cc03d1d807..03dc711e72e3553075ef8e3bdcbecad22a650266 100644
--- a/content/browser/android/synchronous_compositor_host.h
+++ b/content/browser/android/synchronous_compositor_host.h
@@ -58,6 +58,10 @@ class SynchronousCompositorHost : public SynchronousCompositor {
       const gfx::Size& viewport_size,
       const gfx::Rect& viewport_rect_for_tile_priority,
       const gfx::Transform& transform_for_tile_priority) override;
+  SynchronousCompositor::Frame DemandDrawHw_Async(

[boliu, 2016/08/11 19:23:39]

this should not have a return value

[ojars, 2016/08/23 02:15:42]

Done.

+      const gfx::Size& viewport_size,
+      const gfx::Rect& viewport_rect_for_tile_priority,
+      const gfx::Transform& transform_for_tile_priority) override;
   bool DemandDrawSw(SkCanvas* canvas) override;
   void ReturnResources(uint32_t output_surface_id,
                        const cc::ReturnedResourceArray& resources) override;
@@ -70,6 +74,8 @@ class SynchronousCompositorHost : public SynchronousCompositor {
   void DidOverscroll(const DidOverscrollParams& over_scroll_params);
   void DidSendBeginFrame(ui::WindowAndroid* window_android);
   bool OnMessageReceived(const IPC::Message& message);
+  void DemandDrawHwReceiveFrame(uint32_t output_surface_id,

[boliu, 2016/08/11 19:23:39]

doesn't need to be public

[ojars, 2016/08/23 02:15:42]

Done.

+                                const cc::CompositorFrame&);

[boliu, 2016/08/11 19:23:39]

variable name required, by style guide

[ojars, 2016/08/23 02:15:42]

Done.

 
   // Called by SynchronousCompositorObserver.
   int routing_id() const { return routing_id_; }