[WIP] cc: Plumb SurfaceId from clients

content/browser/frame_host/render_widget_host_view_child_frame.h

 // Copyright 2014 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_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 99 matching lines @@
       const SkColorType preferred_color_type) override;
   void CopyFromCompositingSurfaceToVideoFrame(
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
       const base::Callback<void(const gfx::Rect&, bool)>& callback) override;
   bool CanCopyToVideoFrame() const override;
   bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
   void GestureEventAck(const blink::WebGestureEvent& event,
                        InputEventAckState ack_result) override;
   void OnSwapCompositorFrame(uint32_t output_surface_id,
+                             const cc::SurfaceId& surface_id,
                              cc::CompositorFrame frame) override;
   // Since the URL of content rendered by this class is not displayed in
   // the URL bar, this method does not need an implementation.
   void ClearCompositorFrame() override {}
   void GetScreenInfo(blink::WebScreenInfo* results) override;
   gfx::Rect GetBoundsInRootWindow() override;
   void ProcessAckedTouchEvent(const TouchEventWithLatencyInfo& touch,
                               InputEventAckState ack_result) override;
   bool LockMouse() override;
   void UnlockMouse() override;
@@ skipping 63 matching lines @@
   void ProcessFrameSwappedCallbacks();
 
   // The last scroll offset of the view.
   gfx::Vector2dF last_scroll_offset_;
 
   // Members will become private when RenderWidgetHostViewGuest is removed.
   // The model object.
   RenderWidgetHostImpl* host_;
 
   // Surface-related state.
-  std::unique_ptr<cc::SurfaceIdAllocator> id_allocator_;
   std::unique_ptr<cc::SurfaceFactory> surface_factory_;
+  uint32_t surface_client_id_;
   cc::SurfaceId surface_id_;
   uint32_t next_surface_sequence_;
   uint32_t last_output_surface_id_;
   gfx::Size current_surface_size_;
   float current_surface_scale_factor_;
   gfx::Rect last_screen_rect_;
   uint32_t ack_pending_count_;
   cc::ReturnedResourceArray surface_returned_resources_;
 
   // frame_connector_ provides a platform abstraction. Messages
@@ skipping 22 matching lines @@
   // The surface client ID of the parent RenderWidgetHostView.  0 if none.
   uint32_t parent_surface_client_id_;
 
   base::WeakPtrFactory<RenderWidgetHostViewChildFrame> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewChildFrame);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_