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

chrome/app/locales/locales.gyp

 {
   'variables': {
     'chromium_code': 1,
     'chrome_grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
     'app_grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/app',
     'webkit_grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/webkit',
 
     # TODO(sgk): eliminate this; see comment in build/common.gypi
     'msvs_debug_link_incremental': '1',
   },
-  'includes': [
-    '../../../build/common.gypi',
-  ],
   'target_defaults': {
     'type': 'loadable_module',
     'dependencies': [
       '../../chrome.gyp:chrome_strings',
       '../../../webkit/webkit.gyp:webkit_strings',
       '../../../app/app.gyp:app_strings',
     ],
     'msvs_settings': {
       'VCLinkerTool': {
         'BaseAddress': '0x3CF00000',
@@ skipping 612 matching lines @@
             '<(webkit_grit_out_dir)/webkit_strings_zh-TW.rc',
             '<(app_grit_out_dir)/app_strings_zh-TW.rc',
             '<(app_grit_out_dir)/app_locale_settings_zh-TW.rc',
           ],
         },
       ],
     }],
   ],
 }