Associate an id with the output surface to handle lost contexts

content/browser/renderer_host/render_widget_host_view_android.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include <map>
 #include <queue>
 
@@ skipping 138 matching lines @@
       const WebKit::WebMouseWheelEvent& event) OVERRIDE;
   virtual InputEventAckState FilterInputEvent(
       const WebKit::WebInputEvent& input_event) OVERRIDE;
   virtual void OnAccessibilityNotifications(
       const std::vector<AccessibilityHostMsg_NotificationParams>&
           params) OVERRIDE;
   virtual bool LockMouse() OVERRIDE;
   virtual void UnlockMouse() OVERRIDE;
   virtual void HasTouchEventHandlers(bool need_touch_events) OVERRIDE;
   virtual void OnSwapCompositorFrame(
+      uint32 output_surface_id,
       scoped_ptr<cc::CompositorFrame> frame) OVERRIDE;
   virtual void OnOverscrolled(gfx::Vector2dF accumulated_overscroll,
                               gfx::Vector2dF current_fling_velocity) OVERRIDE;
   virtual void ShowDisambiguationPopup(const gfx::Rect& target_rect,
                                        const SkBitmap& zoomed_bitmap) OVERRIDE;
   virtual SmoothScrollGesture* CreateSmoothScrollGesture(
       bool scroll_down, int pixels_to_scroll, int mouse_event_x,
       int mouse_event_y) OVERRIDE;
 
   // Implementation of BrowserAccessibilityDelegate:
@@ skipping 59 matching lines @@
 
   void SynchronousFrameMetadata(
       const cc::CompositorFrameMetadata& frame_metadata);
 
  private:
   void BuffersSwapped(const gpu::Mailbox& mailbox,
                       const base::Closure& ack_callback);
 
   void RunAckCallbacks();
 
-  void SwapDelegatedFrame(scoped_ptr<cc::DelegatedFrameData> frame_data);
-  void SendDelegatedFrameAck();
+  void SwapDelegatedFrame(uint32 output_surface_id,
+                          scoped_ptr<cc::DelegatedFrameData> frame_data);
+  void SendDelegatedFrameAck(uint32 output_surface_id);
 
   void UpdateContentViewCoreFrameMetadata(
       const cc::CompositorFrameMetadata& frame_metadata);
   void ComputeContentsSize(const cc::CompositorFrameMetadata& frame_metadata);
   void ResetClipping();
   void ClipContents(const gfx::Rect& clipping, const gfx::Size& content_size);
 
   void AttachLayers();
   void RemoveLayers();
 
@@ skipping 53 matching lines @@
   // Used to render overscroll overlays.
   bool overscroll_effect_enabled_;
   scoped_ptr<OverscrollGlow> overscroll_effect_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_