Clean up Automation and Chrome Frame IPC code.

chrome_frame/chrome_frame_delegate.cc

 // Copyright (c) 2009 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_frame/chrome_frame_delegate.h"
 
-bool ChromeFrameDelegateImpl::IsTabMessage(const IPC::Message& message,
-                                           int* tab_handle) {
+bool ChromeFrameDelegateImpl::IsTabMessage(const IPC::Message& message) {
   bool is_tab_message = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeFrameDelegateImpl, message)
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_NavigationStateChanged, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_UpdateTargetUrl, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_HandleAccelerator, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_TabbedOut, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_OpenURL, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_NavigationFailed, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_DidNavigate, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_TabLoaded, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_ForwardMessageToExternalHost, )
     IPC_MESSAGE_HANDLER_GENERIC(
         AutomationMsg_ForwardContextMenuToExternalHost, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_RequestStart, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_RequestRead, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_RequestEnd, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_DownloadRequestInHost, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_SetCookieAsync, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_AttachExternalTab, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_RequestGoToHistoryEntryOffset, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_GetCookiesFromHost, )
     IPC_MESSAGE_HANDLER_GENERIC(AutomationMsg_CloseExternalTab, )
     IPC_MESSAGE_UNHANDLED(is_tab_message = false);
   IPC_END_MESSAGE_MAP()
 
-  if (is_tab_message) {
-    // Read tab handle from the message.
-    void* iter = NULL;
-    is_tab_message = message.ReadInt(&iter, tab_handle);
-  }
-
   return is_tab_message;
 }
 
 void ChromeFrameDelegateImpl::OnMessageReceived(const IPC::Message& msg) {
   if (!IsValid()) {
     DLOG(WARNING) << __FUNCTION__
                   << " Msgs received for a NULL automation client instance";
     return;
   }
 
@@ skipping 18 matching lines @@
     IPC_MESSAGE_HANDLER(AutomationMsg_DownloadRequestInHost,
                         OnDownloadRequestInHost)
     IPC_MESSAGE_HANDLER(AutomationMsg_SetCookieAsync, OnSetCookieAsync)
     IPC_MESSAGE_HANDLER(AutomationMsg_AttachExternalTab, OnAttachExternalTab)
     IPC_MESSAGE_HANDLER(AutomationMsg_RequestGoToHistoryEntryOffset,
         OnGoToHistoryEntryOffset)
     IPC_MESSAGE_HANDLER(AutomationMsg_GetCookiesFromHost, OnGetCookiesFromHost)
     IPC_MESSAGE_HANDLER(AutomationMsg_CloseExternalTab, OnCloseTab)
   IPC_END_MESSAGE_MAP()
 }