Update SupportsUserData uses with unique_ptr.

chrome/browser/media/router/receiver_presentation_service_delegate_impl.cc

 // Copyright 2016 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 "chrome/browser/media/router/receiver_presentation_service_delegate_impl.h"
 
+#include "base/memory/ptr_util.h"
 #include "chrome/browser/media/router/offscreen_presentation_manager.h"
 #include "chrome/browser/media/router/offscreen_presentation_manager_factory.h"
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(
     media_router::ReceiverPresentationServiceDelegateImpl);
 
 using content::RenderFrameHost;
 
 namespace media_router {
 
 // static
 void ReceiverPresentationServiceDelegateImpl::CreateForWebContents(
     content::WebContents* web_contents,
     const std::string& presentation_id) {
   DCHECK(web_contents);
 
   if (FromWebContents(web_contents))
     return;
 
-  web_contents->SetUserData(UserDataKey(),
-                            new ReceiverPresentationServiceDelegateImpl(
-                                web_contents, presentation_id));
+  web_contents->SetUserData(
+      UserDataKey(),
+      base::WrapUnique(new ReceiverPresentationServiceDelegateImpl(
+          web_contents, presentation_id)));
 }
 
 void ReceiverPresentationServiceDelegateImpl::AddObserver(
     int render_process_id,
     int render_frame_id,
     content::PresentationServiceDelegate::Observer* observer) {
   DCHECK(observer);
   observers_.AddObserver(render_process_id, render_frame_id, observer);
 }
 
@@ skipping 26 matching lines @@
 void ReceiverPresentationServiceDelegateImpl::
     RegisterReceiverConnectionAvailableCallback(
         const content::ReceiverConnectionAvailableCallback&
             receiver_available_callback) {
   offscreen_presentation_manager_->OnOffscreenPresentationReceiverCreated(
       presentation_id_, web_contents_->GetLastCommittedURL(),
       receiver_available_callback);
 }
 
 }  // namespace media_router