Part 1 of repairing regressions to my old clang check plugins so Nico can

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"
@@ skipping 12 matching lines @@
 class WebIDBTransaction;
 }
 
 // Handle the indexed db related communication for this entire renderer.
 class IndexedDBDispatcher : public IPC::Channel::Listener {
  public:
   IndexedDBDispatcher();
   ~IndexedDBDispatcher();
 
   // IPC::Channel::Listener implementation.
-  bool OnMessageReceived(const IPC::Message& msg);
+  virtual 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(
       const SerializedScriptValue& value,
@@ skipping 100 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_