Update SupportsUserData uses with unique_ptr.

chrome/browser/media/cast_remoting_connector.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/cast_remoting_connector.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/logging.h"
@@ skipping 128 matching lines @@
   DCHECK(contents);
   CastRemotingConnector* connector =
       static_cast<CastRemotingConnector*>(contents->GetUserData(kUserDataKey));
   if (!connector) {
     connector = new CastRemotingConnector(
         media_router::MediaRouterFactory::GetApiForBrowserContext(
             contents->GetBrowserContext()),
         media_router::MediaSourceForTabContentRemoting(
             SessionTabHelper::IdForTab(contents))
             .id());
-    contents->SetUserData(kUserDataKey, connector);
+    contents->SetUserData(kUserDataKey, base::WrapUnique(connector));
   }
   return connector;
 }
 
 // static
 void CastRemotingConnector::CreateMediaRemoter(
     content::RenderFrameHost* host,
     media::mojom::RemotingSourcePtr source,
     media::mojom::RemoterRequest request) {
   DCHECK(host);
@@ skipping 345 matching lines @@
         media_router::MediaRoutesObserver::router(), route.media_route_id(),
         this));
     // TODO(miu): In the future, scan the route ID for sink capabilities
     // properties and pass these to the source in the OnSinkAvailable()
     // notification.
     for (RemotingBridge* notifyee : bridges_)
       notifyee->OnSinkAvailable(enabled_features_);
     break;
   }
 }