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

third_party/tcmalloc/tcmalloc.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.
 
 {
-  'includes': [
-    '../../build/common.gypi',
-  ],
   'targets': [
     {
       'target_name': 'tcmalloc',
       'type': '<(library)',
       'msvs_guid': 'C564F145-9172-42C3-BFCB-60FDEA124321',
       'include_dirs': [
         '.',
         'tcmalloc/src/base',
         'tcmalloc/src',
         '../..',
@@ skipping 238 matching lines @@
                 '$(VCInstallDir)lib',
                 '<(SHARED_INTERMEDIATE_DIR)/tcmalloc',
               ],
             },
           ],
         },
       ],
     }],
   ],
 }