DevTools: add a navigator menu with grouping options.

third_party/WebKit/Source/devtools/devtools.gypi

 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #         * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #         * Redistributions in binary form must reproduce the above
@@ skipping 774 matching lines @@
             'front_end/Images/chromeRight.png',
             'front_end/Images/chromeSelect.png',
             'front_end/Images/chromeSelect_2x.png',
             'front_end/Images/database.png',
             'front_end/Images/databaseTable.png',
             'front_end/Images/deleteIcon.png',
             'front_end/Images/domain.png',
             'front_end/Images/errorWave.png',
             'front_end/Images/errorWave_2x.png',
             'front_end/Images/fileSystem.png',
-            'front_end/Images/ic_cloud_queue_black_18dp.svg',
-            'front_end/Images/ic_drive_file_black_18dp.svg',
-            'front_end/Images/ic_folder_black_18dp.svg',
-            'front_end/Images/ic_folder_open_black_18dp.svg',
-            'front_end/Images/ic_web_asset_black_18dp.svg',
             'front_end/Images/forward.png',
             'front_end/Images/frame.png',
             'front_end/Images/graphLabelCalloutLeft.png',
             'front_end/Images/graphLabelCalloutRight.png',
             'front_end/Images/indexedDB.png',
             'front_end/Images/indexedDBIndex.png',
             'front_end/Images/indexedDBObjectStore.png',
             'front_end/Images/localStorage.png',
             'front_end/Images/navigationControls.png',
             'front_end/Images/navigationControls_2x.png',
@@ skipping 37 matching lines @@
             'front_end/Images/toolbarItemSelected.png',
             'front_end/Images/touchCursor.png',
             'front_end/Images/touchCursor_2x.png',
             'front_end/Images/updateServiceWorker.svg',
         ],
         'devtools_extension_api_files': [
             'front_end/extensions/ExtensionAPI.js',
         ],
     },
 }