Make IPC::Channel::Listener:OnMessageReceived have a return value indicating ...

chrome/renderer/indexed_db_dispatcher.h

 // Copyright (c) 2010 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 CHROME_RENDERER_INDEXED_DB_DISPATCHER_H_
 #define CHROME_RENDERER_INDEXED_DB_DISPATCHER_H_
 #pragma once
 
 #include "base/id_map.h"
 #include "base/nullable_string16.h"
-#include "ipc/ipc_message.h"
+#include "ipc/ipc_channel.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebExceptionCode.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBCallbacks.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBDatabase.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIDBTransactionCallbacks.h"
 
 class IndexedDBKey;
 class SerializedScriptValue;
 
 namespace WebKit {
 class WebFrame;
 class WebIDBKeyRange;
 class WebIDBTransaction;
 }
 
 // Handle the indexed db related communication for this entire renderer.
-class IndexedDBDispatcher {
+class IndexedDBDispatcher : public IPC::Channel::Listener {
  public:
   IndexedDBDispatcher();
   ~IndexedDBDispatcher();
 
-  // Called to possibly handle the incoming IPC message. Returns true if
-  // handled.
+  // IPC::Channel::Listener implementation.
   bool OnMessageReceived(const IPC::Message& msg);
 
   void RequestIDBFactoryOpen(
       const string16& name,
       WebKit::WebIDBCallbacks* callbacks,
       const string16& origin,
       WebKit::WebFrame* web_frame,
       uint64 maximum_size);
 
   void RequestIDBCursorUpdate(
@@ skipping 101 matching lines @@
   // Careful! WebIDBCallbacks wraps non-threadsafe data types. It must be
   // destroyed and used on the same thread it was created on.
   IDMap<WebKit::WebIDBCallbacks, IDMapOwnPointer> pending_callbacks_;
   IDMap<WebKit::WebIDBTransactionCallbacks, IDMapOwnPointer>
       pending_transaction_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDispatcher);
 };
 
 #endif  // CHROME_RENDERER_INDEXED_DB_DISPATCHER_H_