Introduce bad_message.h for chrome and NaCl.

content/browser/appcache/appcache_dispatcher_host.h

 // 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.
 
 #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
@@ skipping 15 matching lines @@
   AppCacheDispatcherHost(ChromeAppCacheService* appcache_service,
                          int process_id);
 
   // BrowserIOMessageFilter implementation
   void OnChannelConnected(int32 peer_pid) override;
   bool OnMessageReceived(const IPC::Message& message) override;
 
  protected:
   ~AppCacheDispatcherHost() override;
 
-  // BrowserMessageFilter override.
-  void BadMessageReceived() override;
-
  private:
   // IPC message handlers
   void OnRegisterHost(int host_id);
   void OnUnregisterHost(int host_id);
   void OnSetSpawningHostId(int host_id, int spawning_host_id);
   void OnSelectCache(int host_id, const GURL& document_url,
                      int64 cache_document_was_loaded_from,
                      const GURL& opt_manifest_url);
   void OnSelectCacheForWorker(int host_id, int parent_process_id,
                               int parent_host_id);
@@ skipping 22 matching lines @@
 
   // The corresponding ChildProcessHost object's id().
   int process_id_;
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_DISPATCHER_HOST_H_