Declare dependency on blink_headers in targets that use blink headers

chrome/chrome_tests.gypi

 # Copyright 2013 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 2333 matching lines @@
         '<(INTERMEDIATE_DIR)',
         '<(protoc_out_dir)',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '..',
           '<(INTERMEDIATE_DIR)',
           '<(protoc_out_dir)',
         ],
       },
+      'export_dependent_settings': [
+        'browser',
+      ],
       'sources': [
         'browser/sync/test/integration/apps_helper.cc',
         'browser/sync/test/integration/apps_helper.h',
         'browser/sync/test/integration/autofill_helper.cc',
         'browser/sync/test/integration/autofill_helper.h',
         'browser/sync/test/integration/bookmarks_helper.cc',
         'browser/sync/test/integration/bookmarks_helper.h',
         'browser/sync/test/integration/dictionary_helper.cc',
         'browser/sync/test/integration/dictionary_helper.h',
         'browser/sync/test/integration/dictionary_load_observer.cc',
@@ skipping 856 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }