Remove CrOS hack from ppapi.gyp that made the include directories work. This...

ppapi/ppapi.gyp

 # Copyright (c) 2010 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.
 
 {
   'includes': [
     '../third_party/mesa/mesa.gypi',
   ],
   'variables': {
     'chromium_code': 1,  # Use higher warning level.
@@ skipping 15 matching lines @@
       }],
     ],
   },
   'targets': [
     {
       'target_name': 'ppapi_c',
       'type': 'none',
       'all_dependent_settings': {
         'include_dirs': [
           '..',
-           # HOLEY (*#@$@ing #&$^@*&$^. ChromeOS depends on having
-           # "third_party" in the include path which the old version of this
-           # project did. This is a temporary hack to keep the build going.
-           '../third_party',
         ],
       },
       'sources': [
         'c/pp_bool.h',
         'c/pp_completion_callback.h',
         'c/pp_errors.h',
         'c/pp_input_event.h',
         'c/pp_instance.h',
         'c/pp_macros.h',
         'c/pp_module.h',
@@ skipping 620 matching lines @@
         ['OS=="win"', {
         }],
         ['OS=="linux"', {
         }],
         ['OS=="mac"', {
         }]
       ],
     },
   ],
 }