net: Use stl utilities from the base namespace

net/tools/epoll_server/epoll_server.cc

 // Copyright 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 "net/tools/epoll_server/epoll_server.h"
 
 #include <unistd.h>  // For read, pipe, close and write.
 #include <stdlib.h>  // for abort
 #include <errno.h>    // for errno and strerror_r
 #include <algorithm>
@@ skipping 424 matching lines @@
     ++count;
   }
   for (cur = tmp_list_.lh_first; cur; cur = cur->entry.le_next) {
     ++count;
   }
   CHECK_EQ(ready_list_size_, count) << "Ready list size does not match count";
 }
 
 void EpollServer::RegisterAlarm(int64_t timeout_time_in_us, AlarmCB* ac) {
   CHECK(ac);
-  if (ContainsKey(all_alarms_, ac)) {
+  if (base::ContainsKey(all_alarms_, ac)) {
     LOG(FATAL) << "Alarm already exists " << ac;
   }
   VLOG(4) << "RegisteringAlarm at : " << timeout_time_in_us;
 
   TimeToAlarmCBMap::iterator alarm_iter =
       alarm_map_.insert(std::make_pair(timeout_time_in_us, ac));
 
   all_alarms_.insert(ac);
   // Pass the iterator to the EpollAlarmCallbackInterface.
   ac->OnRegistration(alarm_iter, this);
@@ skipping 339 matching lines @@
 
 // If the alarm was registered, unregister it.
 void EpollAlarm::UnregisterIfRegistered() {
   if (!registered_) {
     return;
   }
   eps_->UnregisterAlarm(token_);
 }
 
 }  // namespace net