Add pin icon to the omnibar in windows 8 metro mode.

chrome/app/chrome_command_ids.h

 // Copyright (c) 2012 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_APP_CHROME_COMMAND_IDS_H_
 #define CHROME_APP_CHROME_COMMAND_IDS_H_
 
 // This file lists all the command IDs understood by e.g. the browser.
 // It is used by Windows RC files, Mac NIB files, and other platforms too.
 
@@ skipping 18 matching lines @@
 #define IDC_RELOAD                      33002
 #define IDC_HOME                        33003
 #define IDC_OPEN_CURRENT_URL            33004
 #define IDC_STOP                        33006
 #define IDC_RELOAD_IGNORING_CACHE       33007
 #define IDC_LOAD_NEW_TAB_PAGE           33008
 
 // Window management commands
 #define IDC_NEW_WINDOW                  34000
 #define IDC_NEW_INCOGNITO_WINDOW        34001
-#define IDC_PIN_TO_START_SCREEN         34005
+#define IDC_METRO_PIN_TO_START_SCREEN   34005
 #define IDC_CLOSE_WINDOW                34012
 #define IDC_ALWAYS_ON_TOP               34013
 #define IDC_NEW_TAB                     34014
 #define IDC_CLOSE_TAB                   34015
 #define IDC_SELECT_NEXT_TAB             34016
 #define IDC_SELECT_PREVIOUS_TAB         34017
 #define IDC_SELECT_TAB_0                34018
 #define IDC_SELECT_TAB_1                34019
 #define IDC_SELECT_TAB_2                34020
 #define IDC_SELECT_TAB_3                34021
@@ skipping 269 matching lines @@
 
 // Protocol handler menu entries
 #define IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_FIRST     52000
 #define IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_LAST      52199
 #define IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_SETTINGS  52200
 
 // NOTE: The last valid command value is 57343 (0xDFFF)
 // See http://msdn.microsoft.com/en-us/library/t2zechd4(VS.71).aspx
 
 #endif  // CHROME_APP_CHROME_COMMAND_IDS_H_