Update SupportsUserData uses with unique_ptr.

content/test/web_contents_observer_sanity_checker.cc

 // Copyright 2014 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 "content/test/web_contents_observer_sanity_checker.h"
 
+#include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
@@ skipping 11 matching lines @@
     return GlobalRoutingID(0, 0);
   return GlobalRoutingID(host->GetProcess()->GetID(), host->GetRoutingID());
 }
 
 }  // namespace
 
 // static
 void WebContentsObserverSanityChecker::Enable(WebContents* web_contents) {
   if (web_contents->GetUserData(&kWebContentsObserverSanityCheckerKey))
     return;
-  web_contents->SetUserData(&kWebContentsObserverSanityCheckerKey,
-                            new WebContentsObserverSanityChecker(web_contents));
+  web_contents->SetUserData(
+      &kWebContentsObserverSanityCheckerKey,
+      base::WrapUnique(new WebContentsObserverSanityChecker(web_contents)));
 }
 
 void WebContentsObserverSanityChecker::RenderFrameCreated(
     RenderFrameHost* render_frame_host) {
   CHECK(!web_contents_destroyed_);
   GlobalRoutingID routing_pair = GetRoutingPair(render_frame_host);
   bool frame_exists = !live_routes_.insert(routing_pair).second;
   deleted_routes_.erase(routing_pair);
 
   if (frame_exists) {
@@ skipping 322 matching lines @@
       if (live_routes_.count(entry.first))
         return true;
       if (current_hosts_.count(entry.first))
         return true;
     }
   }
   return false;
 }
 
 }  // namespace content