Remove IPC_BEGIN_MESSAGE_MAP_EX macro since r270839 made all bad IPCs kill their child processes.

content/browser/service_worker/service_worker_dispatcher_host.h

 // Copyright 2013 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_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 
 #include "base/id_map.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
@@ skipping 16 matching lines @@
  public:
   ServiceWorkerDispatcherHost(
       int render_process_id,
       MessagePortMessageFilter* message_port_message_filter);
 
   void Init(ServiceWorkerContextWrapper* context_wrapper);
 
   // BrowserMessageFilter implementation
   virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE;
   virtual void OnDestruct() const OVERRIDE;
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // IPC::Sender implementation
 
   // Send() queues the message until the underlying channel is ready.  This
   // class assumes that Send() can only fail after that when the renderer
   // process has terminated, at which point the whole instance will eventually
   // be destroyed.
   virtual bool Send(IPC::Message* message) OVERRIDE;
 
   void RegisterServiceWorkerHandle(scoped_ptr<ServiceWorkerHandle> handle);
@@ skipping 69 matching lines @@
 
   bool channel_ready_;  // True after BrowserMessageFilter::channel_ != NULL.
   ScopedVector<IPC::Message> pending_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_