In file included from /Volumes/MacintoshHD2/src/chrome-git/src/jingle/notifier/listener/send_update_task.cc:14:
In file included from ../third_party/libjingle/source/talk/xmpp/xmppclient.h:36:
In file included from ../third_party/libjingle/source/talk/xmpp/xmppclientsettings.h:31:
In file included from ../third_party/libjingle/source/talk/p2p/base/port.h:40:
../third_party/libjingle/source/talk/p2p/base/candidate.h:62:3: error: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
  const float preference() const { return preference_; }
  ^~~~~
In file incl