Rewrite std::string("") to std::string(), Linux edition.

remoting/protocol/libjingle_transport_factory.cc

 // Copyright (c) 2012 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.
 
 #include "remoting/protocol/libjingle_transport_factory.h"
 
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "jingle/glue/channel_socket_adapter.h"
 #include "jingle/glue/pseudotcp_adapter.h"
@@ skipping 121 matching lines @@
     const StreamTransport::ConnectedCallback& callback) {
   DCHECK(CalledOnValidThread());
 
   callback_ = callback;
 
   DCHECK(!channel_.get());
 
   // Create P2PTransportChannel, attach signal handlers and connect it.
   // TODO(sergeyu): Specify correct component ID for the channel.
   channel_.reset(new cricket::P2PTransportChannel(
-      "", 0, NULL, port_allocator_));
+      std::string(), 0, NULL, port_allocator_));
   channel_->SetIceCredentials(ice_username_fragment_, ice_password_);
   channel_->SignalRequestSignaling.connect(
       this, &LibjingleStreamTransport::OnRequestSignaling);
   channel_->SignalCandidateReady.connect(
       this, &LibjingleStreamTransport::OnCandidateReady);
   channel_->SignalRouteChange.connect(
       this, &LibjingleStreamTransport::OnRouteChange);
   channel_->SignalWritableState.connect(
       this, &LibjingleStreamTransport::OnWritableState);
   channel_->set_incoming_only(incoming_only_);
@@ skipping 212 matching lines @@
 }
 
 scoped_ptr<DatagramTransport>
 LibjingleTransportFactory::CreateDatagramTransport() {
   NOTIMPLEMENTED();
   return scoped_ptr<DatagramTransport>(NULL);
 }
 
 }  // namespace protocol
 }  // namespace remoting