Add extra data to BrowserContext so that content layer and other embedders can stash data with it t…

base/base.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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
@@ skipping 258 matching lines @@
           'string_split.cc',
           'string_split.h',
           'string_tokenizer.h',
           'string_util.cc',
           'string_util.h',
           'string_util_posix.h',
           'string_util_win.h',
           'stringize_macros.h',
           'stringprintf.cc',
           'stringprintf.h',
+          'supports_user_data.cc',
+          'supports_user_data.h',
           'synchronization/cancellation_flag.cc',
           'synchronization/cancellation_flag.h',
           'synchronization/condition_variable.h',
           'synchronization/condition_variable_posix.cc',
           'synchronization/condition_variable_win.cc',
           'synchronization/lock.cc',
           'synchronization/lock.h',
           'synchronization/lock_impl.h',
           'synchronization/lock_impl_posix.cc',
           'synchronization/lock_impl_win.cc',
@@ skipping 598 matching lines @@
             'third_party/xdg_mime/xdgmimemagic.c',
             'third_party/xdg_mime/xdgmimemagic.h',
             'third_party/xdg_mime/xdgmimeparent.c',
             'third_party/xdg_mime/xdgmimeparent.h',
           ],
         },
       ],
     }],
   ],
 }