Make use of CreateInterfacePtrAndBind() where appropriate

extensions/renderer/api/display_source/wifi_display/wifi_display_session.cc

 // Copyright 2015 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 "extensions/renderer/api/display_source/wifi_display/wifi_display_session.h"
 
 #include "base/logging.h"
 #include "base/timer/timer.h"
 #include "content/public/common/service_registry.h"
 #include "content/public/renderer/render_frame.h"
@@ skipping 11 matching lines @@
   : binding_(this),
     params_(params),
     weak_factory_(this) {
   DCHECK(params_.render_frame);
   params.render_frame->GetServiceRegistry()->ConnectToRemoteService(
       mojo::GetProxy(&service_));
   service_.set_connection_error_handler(base::Bind(
           &WiFiDisplaySession::OnConnectionError,
           weak_factory_.GetWeakPtr()));
 
-  WiFiDisplaySessionServiceClientPtr client_ptr;
-  binding_.Bind(GetProxy(&client_ptr));
+  service_->SetClient(binding_.CreateInterfacePtrAndBind());
   binding_.set_connection_error_handler(base::Bind(
           &WiFiDisplaySession::OnConnectionError,
           weak_factory_.GetWeakPtr()));
-  DCHECK(client_ptr);
-  service_->SetClient(std::move(client_ptr));
 }
 
 WiFiDisplaySession::~WiFiDisplaySession() {
 }
 
 void WiFiDisplaySession::Start() {
   DCHECK(state_ == DisplaySourceSession::Idle);
   service_->Connect(params_.sink_id, params_.auth_method, params_.auth_data);
   state_ = DisplaySourceSession::Establishing;
 }
@@ skipping 60 matching lines @@
   if (state_ == DisplaySourceSession::Established ||
       state_ == DisplaySourceSession::Terminating) {
     // We must explicitly notify the session termination as it will never
     // arrive from browser process (IPC is broken).
     if (!terminated_callback_.is_null())
       terminated_callback_.Run(params_.sink_id);
   }
 }
 
 }  // namespace extensions