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

content/browser/fileapi/fileapi_message_filter.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_FILEAPI_FILEAPI_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_FILEAPI_FILEAPI_MESSAGE_FILTER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 61 matching lines @@
       net::URLRequestContext* request_context,
       fileapi::FileSystemContext* file_system_context,
       ChromeBlobStorageContext* blob_storage_context,
       StreamContext* stream_context);
 
   // BrowserMessageFilter implementation.
   virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
   virtual void OnChannelClosing() OVERRIDE;
   virtual base::TaskRunner* OverrideTaskRunnerForMessage(
       const IPC::Message& message) OVERRIDE;
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
  protected:
   virtual ~FileAPIMessageFilter();
 
   virtual void BadMessageReceived() OVERRIDE;
 
  private:
   typedef fileapi::FileSystemOperationRunner::OperationID OperationID;
 
   void OnOpenFileSystem(int request_id,
@@ skipping 147 matching lines @@
   // is being sent to the renderer.
   std::map<int, scoped_refptr<webkit_blob::ShareableFileReference> >
       in_transit_snapshot_files_;
 
   DISALLOW_COPY_AND_ASSIGN(FileAPIMessageFilter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FILEAPI_FILEAPI_MESSAGE_FILTER_H_