Add links for base/third_party/libevent from Chrome.

setup_links.py

 #!/usr/bin/env python
 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 """Setup links to a Chromium checkout for WebRTC.
@@ skipping 86 matching lines @@
     'third_party/libxml',
     'third_party/mockito',
     'third_party/modp_b64',
     'third_party/requests',
     'third_party/robolectric',
     'third_party/tcmalloc',
     'tools/android',
     'tools/grit',
     'tools/telemetry',
   ]
+else:
+  DIRECTORIES += [
+    'base/third_party/libevent',

[kjellander_webrtc, 2016/04/22 07:54:40]

This should work.

+  ]
+
 if 'ios' in target_os:
   DIRECTORIES.append('third_party/class-dump')
 
 FILES = {
   'tools/isolate_driver.py': None,
   'third_party/BUILD.gn': None,
 }
 
 ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
 CHROMIUM_CHECKOUT = os.path.join('chromium', 'src')
@@ skipping 385 matching lines @@
   except LinkError as e:
     print >> sys.stderr, e.message
     return 3
   finally:
     links_database.close()
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())