Make Platform::queryStorageUsageAndQuota work from worker threads

content/content_child.gypi

 # Copyright 2013 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../components/tracing.gyp:tracing',
     '../ui/ui.gyp:ui',
     '../url/url.gyp:url_lib',
@@ skipping 86 matching lines @@
     'child/npapi/webplugin_delegate_impl_win.cc',
     'child/npapi/webplugin_ime_win.cc',
     'child/npapi/webplugin_ime_win.h',
     'child/plugin_message_generator.cc',
     'child/plugin_message_generator.h',
     'child/plugin_messages.h',
     'child/plugin_param_traits.cc',
     'child/plugin_param_traits.h',
     'child/quota_dispatcher.cc',
     'child/quota_dispatcher.h',
+    'child/quota_message_filter.cc',
+    'child/quota_message_filter.h',
     'child/request_extra_data.cc',
     'child/request_extra_data.h',
     'child/resource_dispatcher.cc',
     'child/resource_dispatcher.h',
     'child/runtime_features.cc',
     'child/runtime_features.h',
     'child/socket_stream_dispatcher.cc',
     'child/socket_stream_dispatcher.h',
     'child/thread_safe_sender.cc',
     'child/thread_safe_sender.h',
@@ skipping 31 matching lines @@
         'child/npapi/webplugin_delegate_impl_mac.mm',
       ],
     }],
     ['use_aura==1 and OS=="win"', {
       'sources!': [
         'child/npapi/webplugin_delegate_impl_aura.cc',
       ],
     }],
   ],
 }