Added hard_dependency to chrome.gyp to fix buildbot failures.

chrome/chrome.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.
 {
   'variables': {
     'chromium_code': 1,
 
     'variables': {
       'version_py_path': 'tools/build/version.py',
       'version_path': 'VERSION',
@@ skipping 1076 matching lines @@
         'browser/sync/notifier/server_notifier_thread.cc',
         'browser/sync/notifier/server_notifier_thread.h',
       ],
       'include_dirs': [
         '..',
       ],
       'dependencies': [
         'notifier',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
       ],
+      # This target exports a hard dependency because it depends on
+      # cacheinvalidation (which itself has hard_dependency set).
+      'hard_dependency': 1,
       'export_dependent_settings': [
         'notifier',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
       ],
     },
     {
       'target_name': 'service',
       'type': '<(library)',
       'msvs_guid': '2DA87614-55C5-4E56-A17E-0CD099786197',
       'dependencies': [
@@ skipping 799 matching lines @@
       }],  # targets
     }],  # OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"
   ],  # 'conditions'
 }
 
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 # indent-tabs-mode:nil
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