Make IPC::Channel::Listener:OnMessageReceived have a return value indicating ...

chrome/browser/automation/chrome_frame_automation_provider.h

 // Copyright (c) 2010 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.
 
 // This implements a browser-side endpoint for ChromeFrame UI automation
 // activity. The client-side endpoint is implemented by
 // ChromeFrameAutomationClient.
 // The entire lifetime of this object should be contained within that of
 // the BrowserProcess
 
 #ifndef CHROME_BROWSER_AUTOMATION_CHROME_FRAME_AUTOMATION_PROVIDER_H_
 #define CHROME_BROWSER_AUTOMATION_CHROME_FRAME_AUTOMATION_PROVIDER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "chrome/browser/automation/automation_provider.h"
 
 class Profile;
 
 // This class services automation IPC requests coming in from ChromeFrame
 // instances.
 class ChromeFrameAutomationProvider : public AutomationProvider {
  public:
   explicit ChromeFrameAutomationProvider(Profile* profile);
 
   // IPC::Channel::Listener overrides.
-  virtual void OnMessageReceived(const IPC::Message& message);
+  virtual bool OnMessageReceived(const IPC::Message& message);
 
  protected:
   // This function is called when we receive an invalid message type.
   virtual void OnUnhandledMessage(const IPC::Message& message);
 
   // Returns true if the message received is a valid chrome frame message.
   bool IsValidMessage(uint32 type);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeFrameAutomationProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_CHROME_FRAME_AUTOMATION_PROVIDER_H_