Implement TextureImageTransportSurface using texture mailbox

content/browser/renderer_host/render_widget_host_impl.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_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <queue>
@@ skipping 383 matching lines @@
       int32 route_id,
       int gpu_host_id,
       uint32 sync_point);
 
   // Called by the view in response to AcceleratedSurfaceBuffersSwapped for
   // platforms that support deferred GPU process descheduling. This does
   // nothing if the compositor thread is enabled.
   // TODO(jbates) Once the compositor thread is always on, this can be removed.
   void AcknowledgeSwapBuffersToRenderer();
 
-#if defined(USE_AURA)
-  // Called by the view in response to visibility changes:
-  // 1. After the front surface is guarenteed to no longer be in use by the ui
-  //    (protected false),
-  // 2. When the ui expects to have a valid front surface (protected true).
-  static void SendFrontSurfaceIsProtected(bool is_protected,
-                                          uint32 protection_state_id,
-                                          int32 route_id,
-                                          int gpu_host_id);
-#endif
-
   // Signals that the compositing surface was updated, e.g. after a lost context
   // event.
   void CompositingSurfaceUpdated();
 
   void set_allow_privileged_mouse_lock(bool allow) {
     allow_privileged_mouse_lock_ = allow;
   }
 
 #if defined(OS_ANDROID)
   virtual void AttachLayer(WebKit::WebLayer* layer) {}
@@ skipping 413 matching lines @@
 
   scoped_ptr<TouchEventQueue> touch_event_queue_;
   scoped_ptr<GestureEventFilter> gesture_event_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_