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

chrome/browser/automation/chrome_frame_automation_provider.cc

 // 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.
 
 #include "chrome/browser/automation/chrome_frame_automation_provider.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/automation_messages.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_channel.h"
 
 ChromeFrameAutomationProvider::ChromeFrameAutomationProvider(Profile* profile)
     : AutomationProvider(profile) {}
 
-void ChromeFrameAutomationProvider::OnMessageReceived(
+bool ChromeFrameAutomationProvider::OnMessageReceived(
     const IPC::Message& message) {
-  if (IsValidMessage(message.type())) {
-    AutomationProvider::OnMessageReceived(message);
-  } else {
-    OnUnhandledMessage(message);
-  }
+  if (IsValidMessage(message.type()))
+    return AutomationProvider::OnMessageReceived(message);
+
+  OnUnhandledMessage(message);
+  return false;
 }
 
 void ChromeFrameAutomationProvider::OnUnhandledMessage(
     const IPC::Message& message) {
   NOTREACHED() << __FUNCTION__
                << " Unhandled message type: "
                << message.type();
 }
 
 bool ChromeFrameAutomationProvider::IsValidMessage(uint32 type) {
@@ skipping 39 matching lines @@
       break;
     }
 
     default:
       break;
   }
 
   return is_valid_message;
 }