Use UrlRequest in PortAllocator.

remoting/host/remoting_me2me_host.cc

Index: remoting/host/remoting_me2me_host.cc
diff --git a/remoting/host/remoting_me2me_host.cc b/remoting/host/remoting_me2me_host.cc
index 7dbebc5f9adca5c6d23dca1d528e41426940ccfc..b664dd2ef2929c0dcf9c8b952accdad7c0167268 100644
--- a/remoting/host/remoting_me2me_host.cc
+++ b/remoting/host/remoting_me2me_host.cc
@@ -38,6 +38,7 @@
 #include "policy/policy_constants.h"
 #include "remoting/base/auto_thread_task_runner.h"
 #include "remoting/base/breakpad.h"
+#include "remoting/base/chromium_url_request.h"
 #include "remoting/base/constants.h"
 #include "remoting/base/logging.h"
 #include "remoting/base/rsa_key_pair.h"
@@ -80,7 +81,7 @@
 #include "remoting/host/video_frame_recorder_host_extension.h"
 #include "remoting/protocol/authenticator.h"
 #include "remoting/protocol/channel_authenticator.h"
-#include "remoting/protocol/chromium_port_allocator.h"
+#include "remoting/protocol/chromium_port_allocator_factory.h"
 #include "remoting/protocol/jingle_session_manager.h"
 #include "remoting/protocol/me2me_host_authenticator_factory.h"
 #include "remoting/protocol/network_settings.h"
@@ -1522,7 +1523,8 @@ void HostProcess::StartHost() {
   scoped_refptr<protocol::TransportContext> transport_context =
       new protocol::TransportContext(
           signal_strategy_.get(),
-          make_scoped_ptr(new protocol::ChromiumPortAllocatorFactory(
+          make_scoped_ptr(new protocol::ChromiumPortAllocatorFactory()),
+          make_scoped_ptr(new ChromiumUrlRequestFactory(
               context_->url_request_context_getter())),
           network_settings, protocol::TransportRole::SERVER);