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

content/browser/loader/resource_message_delegate.h

 // Copyright (c) 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_LOADER_RESOURCE_MESSAGE_DELEGATE_
 #define CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_DELEGATE_
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/global_request_id.h"
@@ skipping 11 matching lines @@
 // A ResourceMessageDelegate receives IPC ResourceMsg_* messages for a specified
 // URLRequest. The delegate should implement its own IPC handler. It will
 // receive the message _after_ the ResourceDispatcherHost has handled it.
 class CONTENT_EXPORT ResourceMessageDelegate {
  public:
   ResourceMessageDelegate(const net::URLRequest* request);
   virtual ~ResourceMessageDelegate();
 
   // Called when the ResourceDispatcherHostImpl receives a message specifically
   // for this delegate.
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) = 0;
+  virtual bool OnMessageReceived(const IPC::Message& message) = 0;
 
   void set_request_id(const GlobalRequestID& new_request_id) {
     id_ = new_request_id;
   }
 
  private:
   GlobalRequestID id_;
   DISALLOW_IMPLICIT_CONSTRUCTORS(ResourceMessageDelegate);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_MESSAGE_DELEGATE_