base::Bind: Remove callback_old.h.

content/renderer/gpu/transport_texture_host.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 
 #include <algorithm>
 
 #include "content/renderer/gpu/transport_texture_host.h"
 
 // On Mac gl2.h clashes with gpu_messages.h and this problem hasn't been
 // solved yet so exclude building on Mac.
@@ skipping 46 matching lines @@
   }
 }
 
 void TransportTextureHost::Destroy() {
   ReleaseTexturesInternal();
   SendDestroyInternal();
 
   service_->RemoveRoute(host_id_);
 }
 
-void TransportTextureHost::GetTextures(TextureUpdateCallback* callback,
-                                       std::vector<int>* textures) {
+void TransportTextureHost::GetTextures(
+    const TextureUpdateCallback& callback, std::vector<int>* textures) {
   textures->resize(textures_.size());
   std::copy(textures_.begin(), textures_.end(), textures->begin());
-  update_callback_.reset(callback);
+  update_callback_ = callback;
 }
 
 int TransportTextureHost::GetPeerId() {
   return peer_id_;
 }
 
 void TransportTextureHost::OnChannelConnected(int32 peer_pid) {
 }
 
 void TransportTextureHost::OnChannelError() {
@@ skipping 97 matching lines @@
   // Send textures to the GPU process.
   SendTexturesInternal(textures_);
 }
 
 void TransportTextureHost::OnReleaseTextures() {
   // This method will switch thread properly so just call it directly.
   ReleaseTexturesInternal();
 }
 
 void TransportTextureHost::OnTextureUpdated(int texture_id) {
-  if (update_callback_.get())
-    update_callback_->Run(texture_id);
+  if (!update_callback_.is_null())
+    update_callback_.Run(texture_id);
 }
 
 #endif