| Index: webrtc/p2p/client/connectivitychecker.cc | 
| diff --git a/webrtc/p2p/client/connectivitychecker.cc b/webrtc/p2p/client/connectivitychecker.cc | 
| index 8a7fc0d740887e4b42ffd9cb080ea5d859668372..1fb9165670e35c97e989e9485ff48b04ad54b3ff 100644 | 
| --- a/webrtc/p2p/client/connectivitychecker.cc | 
| +++ b/webrtc/p2p/client/connectivitychecker.cc | 
| @@ -115,6 +115,9 @@ bool ConnectivityChecker::Initialize() { | 
| socket_factory_.reset(CreateSocketFactory(worker_)); | 
| port_allocator_.reset(CreatePortAllocator(network_manager_.get(), | 
| user_agent_, relay_token_)); | 
| +  uint32 new_allocator_flags = port_allocator_->flags(); | 
| +  new_allocator_flags |= cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG; | 
| +  port_allocator_->set_flags(new_allocator_flags); | 
| return true; | 
| } | 
|  | 
|  |