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

chrome_frame/chrome_frame_delegate.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.
 
 #ifndef CHROME_FRAME_CHROME_FRAME_DELEGATE_H_
 #define CHROME_FRAME_CHROME_FRAME_DELEGATE_H_
 
 #include <atlbase.h>
 #include <atlwin.h>
 #include <queue>
@@ skipping 17 matching lines @@
   virtual void OnAutomationServerReady() = 0;
   virtual void OnAutomationServerLaunchFailed(
       AutomationLaunchResult reason, const std::string& server_version) = 0;
   virtual void OnExtensionInstalled(
       const FilePath& path,
       void* user_data,
       AutomationMsg_ExtensionResponseValues response) = 0;
   virtual void OnGetEnabledExtensionsComplete(
       void* user_data,
       const std::vector<FilePath>& extension_directories) = 0;
-  virtual void OnMessageReceived(const IPC::Message& msg) = 0;
+  virtual bool OnMessageReceived(const IPC::Message& msg) = 0;
   virtual void OnChannelError() = 0;
 
   // This remains in interface since we call it if Navigate()
   // returns immediate error.
   virtual void OnLoadFailed(int error_code, const std::string& url) = 0;
 
   // Returns true if this instance is alive and well for processing automation
   // messages.
   virtual bool IsValid() const = 0;
 
@@ skipping 20 matching lines @@
   virtual void OnAutomationServerLaunchFailed(
       AutomationLaunchResult reason, const std::string& server_version) {}
   virtual void OnExtensionInstalled(
       const FilePath& path,
       void* user_data,
       AutomationMsg_ExtensionResponseValues response) {}
   virtual void OnGetEnabledExtensionsComplete(
       void* user_data,
       const std::vector<FilePath>& extension_directories) {}
   virtual void OnLoadFailed(int error_code, const std::string& url) {}
-  virtual void OnMessageReceived(const IPC::Message& msg);
+  virtual bool OnMessageReceived(const IPC::Message& msg);
   virtual void OnChannelError() {}
 
   static bool IsTabMessage(const IPC::Message& message);
 
   virtual bool IsValid() const {
     return true;
   }
 
   virtual void OnHostMoved() {}
 
@@ skipping 107 matching lines @@
     }
 
     return false;
   }
 
   Lock lock_;
   std::queue<Task*> pending_tasks_;
 };
 
 #endif  // CHROME_FRAME_CHROME_FRAME_DELEGATE_H_