Clear DevTools temp storage

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 448 matching lines @@
             'front_end/LayerTreeModel.js',
             'front_end/LayerTree.js',
             'front_end/Layers3DView.js',
             'front_end/LayerDetailsView.js',
             'front_end/PaintProfilerView.js',
         ],
         'devtools_extension_api_files': [
             'front_end/ExtensionAPI.js',
             'front_end/DevToolsExtensionAPI.js'
         ],
+        'devtools_temp_storage_shared_worker_js_files': [
+            'front_end/TempStorageSharedWorker.js',
+        ],
     },
 }