Fix PepperPortAllocatorSession to initialize callback_factory_.

remoting/client/plugin/pepper_port_allocator.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/client/plugin/pepper_port_allocator.h"
 
 #include <stdint.h>
 
 #include <utility>
 
@@ skipping 54 matching lines @@
     PepperPortAllocator* allocator,
     const std::string& content_name,
     int component,
     const std::string& ice_username_fragment,
     const std::string& ice_password)
     : PortAllocatorSessionBase(allocator,
                                content_name,
                                component,
                                ice_username_fragment,
                                ice_password),
-      pp_instance_(allocator->pp_instance()) {}
+      pp_instance_(allocator->pp_instance()),
+      callback_factory_(this) {}
 
 PepperPortAllocatorSession::~PepperPortAllocatorSession() {}
 
 void PepperPortAllocatorSession::SendSessionRequest(const std::string& host) {
   relay_url_loader_.reset(new pp::URLLoader(pp_instance_));
   pp::URLRequestInfo request_info(pp_instance_);
   std::string url = "https://" + host + GetSessionRequestUrl() + "&sn=1";
   request_info.SetURL(url);
   request_info.SetMethod("GET");
   std::stringstream headers;
@@ skipping 101 matching lines @@
 PepperPortAllocatorFactory::~PepperPortAllocatorFactory() {}
 
 scoped_ptr<cricket::PortAllocator>
 PepperPortAllocatorFactory::CreatePortAllocator(
     scoped_refptr<protocol::TransportContext> transport_context) {
   return make_scoped_ptr(
       new PepperPortAllocator(transport_context, pp_instance_));
 }
 
 }  // namespace remoting