Relanding this with fixes to the mac dbg builder

webkit/glue/webkit_glue.gypi

 # Copyright (c) 2012 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 318 matching lines @@
         '../plugins/ppapi/ppb_widget_impl.cc',
         '../plugins/ppapi/ppb_widget_impl.h',
         '../plugins/ppapi/quota_file_io.cc',
         '../plugins/ppapi/quota_file_io.h',
         '../plugins/ppapi/resource_creation_impl.cc',
         '../plugins/ppapi/resource_creation_impl.h',
         '../plugins/ppapi/resource_helper.cc',
         '../plugins/ppapi/resource_helper.h',
         '../plugins/ppapi/string.cc',
         '../plugins/ppapi/string.h',
-        '../plugins/ppapi/webkit_forwarding_impl.cc',
-        '../plugins/ppapi/webkit_forwarding_impl.h',
         '../plugins/sad_plugin.cc',
         '../plugins/sad_plugin.h',
         '../plugins/webkit_plugins_export.h',
         '../plugins/webplugininfo.cc',
         '../plugins/webplugininfo.h',
         '../plugins/webview_plugin.cc',
         '../plugins/webview_plugin.h',
         'alt_error_page_resource_fetcher.cc',
         'alt_error_page_resource_fetcher.h',
         'context_menu.cc',
@@ skipping 211 matching lines @@
               },
               'includes': [ '../../build/grit_action.gypi' ],
             },
           ],
           'includes': [ '../../build/grit_target.gypi' ],
         },
       ],
     }],
   ],
 }