content: Use stl utilities from the base namespace

content/browser/service_worker/service_worker_process_manager.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/browser/service_worker/service_worker_process_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
@@ skipping 171 matching lines @@
   }
 
   if (IsShutdown()) {
     BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                             base::Bind(callback, SERVICE_WORKER_ERROR_ABORT,
                                        ChildProcessHost::kInvalidUniqueID,
                                        false /* is_new_process */, settings));
     return;
   }
 
-  DCHECK(!ContainsKey(instance_info_, embedded_worker_id))
+  DCHECK(!base::ContainsKey(instance_info_, embedded_worker_id))
       << embedded_worker_id << " already has a process allocated";
 
   if (can_use_existing_process) {
     int process_id = FindAvailableProcess(pattern);
     if (process_id != ChildProcessHost::kInvalidUniqueID) {
       RenderProcessHost::FromID(process_id)->IncrementWorkerRefCount();
       instance_info_.insert(
           std::make_pair(embedded_worker_id, ProcessInfo(process_id)));
       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
@@ skipping 127 matching lines @@
 namespace std {
 // Destroying ServiceWorkerProcessManagers only on the UI thread allows the
 // member WeakPtr to safely guard the object's lifetime when used on that
 // thread.
 void default_delete<content::ServiceWorkerProcessManager>::operator()(
     content::ServiceWorkerProcessManager* ptr) const {
   content::BrowserThread::DeleteSoon(
       content::BrowserThread::UI, FROM_HERE, ptr);
 }
 }  // namespace std