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

chrome/browser/ui/view_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.
 
 // This defines an enumeration of IDs that can uniquely identify a view within
 // the scope of a container view.
 
 #ifndef CHROME_BROWSER_UI_VIEW_IDS_H_
 #define CHROME_BROWSER_UI_VIEW_IDS_H_
 
@@ skipping 28 matching lines @@
   VIEW_ID_RELOAD_BUTTON,
   VIEW_ID_HOME_BUTTON,
   VIEW_ID_STAR_BUTTON,
   VIEW_ID_LOCATION_BAR,
   VIEW_ID_APP_MENU,
   VIEW_ID_AUTOCOMPLETE,
   VIEW_ID_BROWSER_ACTION_TOOLBAR,
   VIEW_ID_FEEDBACK_BUTTON,
   VIEW_ID_OMNIBOX,
   VIEW_ID_CHROME_TO_MOBILE_BUTTON,
+  VIEW_ID_METRO_PIN,
 
   // The Bookmark Bar.
   VIEW_ID_BOOKMARK_BAR,
   VIEW_ID_OTHER_BOOKMARKS,
   // Used for bookmarks/folders on the bookmark bar.
   VIEW_ID_BOOKMARK_BAR_ELEMENT,
 
   // Find in page.
   VIEW_ID_FIND_IN_PAGE_TEXT_FIELD,
   VIEW_ID_FIND_IN_PAGE,
@@ skipping 16 matching lines @@
   // Used in chrome/browser/ui/gtk/view_id_util_browsertests.cc
   // If you add new ids, make sure the above test passes.
   VIEW_ID_PREDEFINED_COUNT,
 
   // Plus button on location bar.
   VIEW_ID_ACTION_BOX_BUTTON
 };
 
 #endif  // CHROME_BROWSER_UI_VIEW_IDS_H_