Fix comment for PostTaskAndReply().

base/message_loop_proxy.h

 // 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.
 
 #ifndef BASE_MESSAGE_LOOP_PROXY_H_
 #define BASE_MESSAGE_LOOP_PROXY_H_
 #pragma once
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
@@ skipping 69 matching lines @@
   // canceled. See the following pseudo-code:
   //
   // class DataBuffer : public RefCountedThreadSafe<DataBuffer> {
   //  public:
   //   // Called to add data into a buffer.
   //   void AddData(void* buf, size_t length);
   //   ...
   // };
   //
   //
-  // class DataLoader : public SupportsWeakPtr<ReadToBuffer> {
+  // class DataLoader : public SupportsWeakPtr<DataLoader> {
   //  public:
   //    void GetData() {
   //      scoped_refptr<DataBuffer> buffer = new DataBuffer();
   //      target_thread_.message_loop_proxy()->PostTaskAndReply(
   //          FROM_HERE,
   //          base::Bind(&DataBuffer::AddData, buffer),
   //          base::Bind(&DataLoader::OnDataReceived, AsWeakPtr(), buffer));
   //    }
   //
   //  private:
@@ skipping 43 matching lines @@
 
 struct MessageLoopProxyTraits {
   static void Destruct(const MessageLoopProxy* proxy) {
     proxy->OnDestruct();
   }
 };
 
 }  // namespace base
 
 #endif  // BASE_MESSAGE_LOOP_PROXY_H_