More base::Values-related bare pointer -> scoped_ptr conversions

components/history/core/browser/top_sites_impl.cc

 // Copyright (c) 2013 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 "components/history/core/browser/top_sites_impl.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 300 matching lines @@
 
 bool TopSitesImpl::HasBlacklistedItems() const {
   const base::DictionaryValue* blacklist =
       pref_service_->GetDictionary(blacklist_pref_name_);
   return blacklist && !blacklist->empty();
 }
 
 void TopSitesImpl::AddBlacklistedURL(const GURL& url) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
-  base::Value* dummy = base::Value::CreateNullValue();
+  scoped_ptr<base::Value> dummy = base::Value::CreateNullValue();
   {
     DictionaryPrefUpdate update(pref_service_, blacklist_pref_name_);
     base::DictionaryValue* blacklist = update.Get();
-    blacklist->SetWithoutPathExpansion(GetURLHash(url), dummy);
+    blacklist->SetWithoutPathExpansion(GetURLHash(url), dummy.Pass());
   }
 
   ResetThreadSafeCache();
   NotifyTopSitesChanged();
 }
 
 void TopSitesImpl::RemoveBlacklistedURL(const GURL& url) {
   DCHECK(thread_checker_.CalledOnValidThread());
   {
     DictionaryPrefUpdate update(pref_service_, blacklist_pref_name_);
@@ skipping 570 matching lines @@
     for (std::set<size_t>::reverse_iterator i = indices_to_delete.rbegin();
          i != indices_to_delete.rend(); i++) {
       new_top_sites.erase(new_top_sites.begin() + *i);
     }
     SetTopSites(new_top_sites, CALL_LOCATION_FROM_OTHER_PLACES);
   }
   StartQueryForMostVisited();
 }
 
 }  // namespace history