Cleanup/ linked_ptr -> scoped_ptr from c/b/ui/webui

chrome/browser/ui/webui/media_router/query_result_manager.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 "chrome/browser/ui/webui/media_router/query_result_manager.h"
 
 #include "base/containers/hash_tables.h"
 #include "base/stl_util.h"
 #include "chrome/browser/media/router/media_router.h"
 #include "chrome/browser/media/router/media_sinks_observer.h"
@@ skipping 67 matching lines @@
   if (source.Empty()) {
     LOG(WARNING) << "StartSinksQuery called with empty source for "
                  << cast_mode;
     return;
   }
 
   SetSourceForCastMode(cast_mode, source);
   RemoveObserverForCastMode(cast_mode);
   UpdateWithSinksQueryResult(cast_mode, std::vector<MediaSink>());
 
-  linked_ptr<CastModeMediaSinksObserver> observer(
+  scoped_ptr<CastModeMediaSinksObserver> observer(
       new CastModeMediaSinksObserver(cast_mode, source, router_, this));
   observer->Init();
-  auto result = sinks_observers_.insert(std::make_pair(cast_mode, observer));
+  auto result =
+      sinks_observers_.insert(std::make_pair(cast_mode, std::move(observer)));
   DCHECK(result.second);
   NotifyOnResultsUpdated();
 }
 
 void QueryResultManager::StopSinksQuery(MediaCastMode cast_mode) {
   DCHECK(thread_checker_.CalledOnValidThread());
   RemoveObserverForCastMode(cast_mode);
   SetSourceForCastMode(cast_mode, MediaSource());
   UpdateWithSinksQueryResult(cast_mode, std::vector<MediaSink>());
   NotifyOnResultsUpdated();
@@ skipping 65 matching lines @@
 void QueryResultManager::NotifyOnResultsUpdated() {
   std::vector<MediaSinkWithCastModes> sinks;
   for (const auto& sink_pair : all_sinks_) {
     sinks.push_back(sink_pair.second);
   }
   FOR_EACH_OBSERVER(QueryResultManager::Observer, observers_,
       OnResultsUpdated(sinks));
 }
 
 }  // namespace media_router