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

chrome/browser/spellchecker/spellcheck_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 CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_MESSAGE_FILTER_H_
 #define CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_MESSAGE_FILTER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/spellchecker/spelling_service_client.h"
 #include "content/public/browser/browser_message_filter.h"
 
 class SpellCheckMarker;
 class SpellcheckService;
 struct SpellCheckResult;
 
 // A message filter implementation that receives spell checker requests from
 // SpellCheckProvider.
 class SpellCheckMessageFilter : public content::BrowserMessageFilter {
  public:
   explicit SpellCheckMessageFilter(int render_process_id);
 
   // content::BrowserMessageFilter implementation.
   virtual void OverrideThreadForMessage(
       const IPC::Message& message,
       content::BrowserThread::ID* thread) OVERRIDE;
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
  private:
   friend class TestingSpellCheckMessageFilter;
 
   virtual ~SpellCheckMessageFilter();
 
   void OnSpellCheckerRequestDictionary();
   void OnNotifyChecked(const base::string16& word, bool misspelled);
   void OnRespondDocumentMarkers(const std::vector<uint32>& markers);
 #if !defined(OS_MACOSX)
@@ skipping 28 matching lines @@
   // Can be overridden for testing.
   virtual SpellcheckService* GetSpellcheckService() const;
 
   int render_process_id_;
 
   // A JSON-RPC client that calls the Spelling service in the background.
   scoped_ptr<SpellingServiceClient> client_;
 };
 
 #endif  // CHROME_BROWSER_SPELLCHECKER_SPELLCHECK_MESSAGE_FILTER_H_