A proposal for an initial postMessage interface. This will allow JavaScript ...

webkit/glue/webkit_glue.gypi

 # Copyright (c) 2011 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.
 
 {
   'variables': {
     'conditions': [
       ['inside_chromium_build==0', {
         'webkit_src_dir': '../../../../..',
       },{
@@ skipping 248 matching lines @@
         '../plugins/ppapi/dir_contents.h',
         '../plugins/ppapi/error_util.cc',
         '../plugins/ppapi/error_util.h',
         '../plugins/ppapi/event_conversion.cc',
         '../plugins/ppapi/event_conversion.h',
         '../plugins/ppapi/file_callbacks.cc',
         '../plugins/ppapi/file_callbacks.h',
         '../plugins/ppapi/file_path.cc',
         '../plugins/ppapi/file_path.h',
         '../plugins/ppapi/fullscreen_container.h',
+        '../plugins/ppapi/message_channel.cc',
+        '../plugins/ppapi/message_channel.h',
         '../plugins/ppapi/npapi_glue.cc',
         '../plugins/ppapi/npapi_glue.h',
         '../plugins/ppapi/plugin_delegate.h',
         '../plugins/ppapi/plugin_module.cc',
         '../plugins/ppapi/plugin_module.h',
         '../plugins/ppapi/plugin_object.cc',
         '../plugins/ppapi/plugin_object.h',
         '../plugins/ppapi/ppapi_plugin_instance.cc',
         '../plugins/ppapi/ppapi_plugin_instance.h',
         '../plugins/ppapi/ppapi_webplugin_impl.cc',
@@ skipping 301 matching lines @@
           'conditions': [
             ['OS=="win"', {
               'dependencies': ['<(DEPTH)/build/win/system.gyp:cygwin'],
             }],
           ],
         },
       ],
     }],
   ],
 }