content: Use stl utilities from the base namespace

content/browser/background_sync/background_sync_context.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 "content/browser/background_sync/background_sync_context.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/stl_util.h"
@@ skipping 37 matching lines @@
 
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&BackgroundSyncContext::CreateServiceOnIOThread, this,
                  base::Passed(&request)));
 }
 
 void BackgroundSyncContext::ServiceHadConnectionError(
     BackgroundSyncServiceImpl* service) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK(ContainsValue(services_, service));
+  DCHECK(base::ContainsValue(services_, service));
 
   services_.erase(service);
   delete service;
 }
 
 BackgroundSyncManager* BackgroundSyncContext::background_sync_manager() const {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   return background_sync_manager_.get();
 }
@@ skipping 16 matching lines @@
 void BackgroundSyncContext::CreateServiceOnIOThread(
     mojo::InterfaceRequest<blink::mojom::BackgroundSyncService> request) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(background_sync_manager_);
   services_.insert(new BackgroundSyncServiceImpl(this, std::move(request)));
 }
 
 void BackgroundSyncContext::ShutdownOnIO() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
-  STLDeleteElements(&services_);
+  base::STLDeleteElements(&services_);
   background_sync_manager_.reset();
 }
 
 }  // namespace content