Refactoring select popup on Mac....

chrome/common/render_messages_internal.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 header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <map>
 #include <string>
@@ skipping 1076 matching lines @@
                       base::PlatformFileError /* error_code */,
                       IPC::PlatformFileForTransit /* file descriptor */,
                       int /* message_id */)
 
   // A classification model for client-side phishing detection.
   // The given file contains an encoded safe_browsing::ClientSideModel
   // protocol buffer.
   IPC_MESSAGE_CONTROL1(ViewMsg_SetPhishingModel,
                        IPC::PlatformFileForTransit /* model_file */)
 
+  // External popup menus.
+  IPC_MESSAGE_ROUTED1(ViewMsg_SelectPopupMenuItem,
+                      int /* selected index, -1 means no selection */)
+
 IPC_END_MESSAGES(View)
 
 
 //-----------------------------------------------------------------------------
 // TabContents messages
 // These are messages sent from the renderer to the browser process.
 
 IPC_BEGIN_MESSAGES(ViewHost)
   // Sent by the renderer when it is creating a new window.  The browser creates
   // a tab for it and responds with a ViewMsg_CreatingNew_ACK.  If route_id is
@@ skipping 1915 matching lines @@
                               base::PlatformFileInfo, /* info */
                               base::PlatformFileError /* error_code */)
 
   // Get the directory's contents.
   IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_PepperGetDirContents,
                               FilePath /* path */,
                               PepperDirContents, /* contents */
                               base::PlatformFileError /* error_code */)
 
 IPC_END_MESSAGES(ViewHost)