Force inclusion of build/common.gypi for all chromium gyp files.

chrome/chrome.gyp

 # Copyright (c) 2009 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': {
     'chromium_code': 1,
 
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
@@ skipping 125 matching lines @@
           }, {
             'use_syncapi_stub%': 1,
           }],
         ],
       }, {
         'chrome_personalization%': 0,
         'use_syncapi_stub%': 1,
       }],
     ],  # conditions
   },  # variables
-  'includes': [
-    '../build/common.gypi',
-  ],
   'target_defaults': {
     'sources/': [
       ['exclude', '/(cocoa|gtk|win)/'],
       ['exclude', '_(cocoa|gtk|linux|mac|posix|skia|win|views|x)(_unittest)?\\.(cc|mm?)$'],
       ['exclude', '/(gtk|win|x11)_[^/]*\\.cc$'],
     ],
     'conditions': [
       ['OS=="linux" or OS=="freebsd"', {'sources/': [
         ['include', '/gtk/'],
         ['include', '_(gtk|linux|posix|skia|x)(_unittest)?\\.cc$'],
@@ skipping 5934 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],
   ],  # 'conditions'
 }