chrome: Use stl utilities from the base namespace

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 113 matching lines @@
 void QueryResultManager::UpdateWithSinksQueryResult(
     MediaCastMode cast_mode,
     const std::vector<MediaSink>& result) {
   base::hash_set<MediaSink::Id> result_sink_ids;
   for (const MediaSink& sink : result)
     result_sink_ids.insert(sink.id());
 
   // (1) Iterate through current sink set, remove cast mode from those that
   // do not appear in latest result.
   for (auto it = all_sinks_.begin(); it != all_sinks_.end(); /*no-op*/) {
-    if (!ContainsKey(result_sink_ids, it->first)) {
+    if (!base::ContainsKey(result_sink_ids, it->first)) {
       it->second.cast_modes.erase(cast_mode);
     }
     if (!IsValid(it->second)) {
       all_sinks_.erase(it++);
     } else {
       ++it;
     }
   }
 
   // (2) Add / update sinks with latest result.
@@ skipping 25 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