Disables pinned tabs until I land apps. I've #ifdef parts that are...

chrome/browser/tab_menu_model.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/browser/tab_menu_model.h"
 
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "grit/generated_resources.h"
 
 TabMenuModel::TabMenuModel(menus::SimpleMenuModel::Delegate* delegate)
     : menus::SimpleMenuModel(delegate) {
   Build();
 }
 
 void TabMenuModel::Build() {
   AddItemWithStringId(TabStripModel::CommandNewTab, IDS_TAB_CXMENU_NEWTAB);
   AddSeparator();
   AddItemWithStringId(TabStripModel::CommandReload, IDS_TAB_CXMENU_RELOAD);
   AddItemWithStringId(TabStripModel::CommandDuplicate,
                       IDS_TAB_CXMENU_DUPLICATE);
+#if defined(ENABLE_PINNED_TABS)
   // On Mac the HIG prefers "pin/unpin" to a checkmark. The Mac code will fix up
   // the actual string based on the tab's state via the delegate.
 #if defined(OS_MACOSX)
   AddItemWithStringId(TabStripModel::CommandTogglePinned,
                       IDS_TAB_CXMENU_PIN_TAB);
 #else
   AddCheckItemWithStringId(TabStripModel::CommandTogglePinned,
                            IDS_TAB_CXMENU_PIN_TAB);
 #endif
+#endif
   AddSeparator();
   AddItemWithStringId(TabStripModel::CommandCloseTab,
                       IDS_TAB_CXMENU_CLOSETAB);
   AddItemWithStringId(TabStripModel::CommandCloseOtherTabs,
                       IDS_TAB_CXMENU_CLOSEOTHERTABS);
   AddItemWithStringId(TabStripModel::CommandCloseTabsToRight,
                       IDS_TAB_CXMENU_CLOSETABSTORIGHT);
   AddItemWithStringId(TabStripModel::CommandCloseTabsOpenedBy,
                       IDS_TAB_CXMENU_CLOSETABSOPENEDBY);
   AddSeparator();
   AddItemWithStringId(TabStripModel::CommandRestoreTab, IDS_RESTORE_TAB);
   AddItemWithStringId(TabStripModel::CommandBookmarkAllTabs,
                       IDS_TAB_CXMENU_BOOKMARK_ALL_TABS);
 }