gpu: reference target surfaces through a globally unique surface id.

content/browser/renderer_host/accelerated_surface_container_linux_gl.cc

 // Copyright (c) 2011 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.
 
 #include "content/browser/renderer_host/accelerated_surface_container_linux.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/renderer_host/image_transport_client.h"
 #include "ui/gfx/compositor/compositor_gl.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/transform.h"
 
 namespace {
 
 class AcceleratedSurfaceContainerLinuxGL
     : public AcceleratedSurfaceContainerLinux, public ui::TextureGL {
  public:
   explicit AcceleratedSurfaceContainerLinuxGL(const gfx::Size& size)
       : ui::TextureGL(size) {
   }
 
   virtual ~AcceleratedSurfaceContainerLinuxGL() { }
   virtual void AddRef() { ui::TextureGL::AddRef(); }
   virtual void Release() { ui::TextureGL::Release(); }
 
-  virtual bool Initialize(uint64* surface_id) OVERRIDE {
+  virtual bool Initialize(uint64* surface_handle) OVERRIDE {
     ui::SharedResourcesGL* instance = ui::SharedResourcesGL::GetInstance();
     DCHECK(instance);
     image_transport_client_.reset(
         ImageTransportClient::Create(instance, size_));
     if (!image_transport_client_.get())
       return false;
 
-    texture_id_ = image_transport_client_->Initialize(surface_id);
+    texture_id_ = image_transport_client_->Initialize(surface_handle);
     if (!texture_id_) {
       image_transport_client_.reset();
       return false;
     }
     return true;
   }
 
   virtual const gfx::Size& GetSize() {
     return ui::TextureGL::size();
   }
@@ skipping 32 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(AcceleratedSurfaceContainerLinuxGL);
 };
 
 }  // namespace
 
 // static
 AcceleratedSurfaceContainerLinux*
 AcceleratedSurfaceContainerLinux::Create(const gfx::Size& size) {
   return new AcceleratedSurfaceContainerLinuxGL(size);
 }