chrome: Use stl utilities from the base namespace

chrome/service/cloud_print/cloud_print_service_helpers.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 "chrome/service/cloud_print/cloud_print_service_helpers.h"
 
 #include "base/strings/stringprintf.h"
 #include "chrome/common/cloud_print/cloud_print_constants.h"
 #include "chrome/common/cloud_print/cloud_print_helpers.h"
 #include "chrome/service/cloud_print/cloud_print_token_store.h"
@@ skipping 64 matching lines @@
     const printing::PrinterBasicInfo& printer_info,
     const std::string& mime_boundary) {
   return GetPostDataForPrinterTags(
       printer_info.options,
       mime_boundary,
       kCloudPrintServiceProxyTagPrefix,
       kCloudPrintServiceTagsHashTagName);
 }
 
 bool IsDryRunJob(const std::vector<std::string>& tags) {
-  return ContainsValue(tags, kCloudPrintServiceTagDryRunFlag);
+  return base::ContainsValue(tags, kCloudPrintServiceTagDryRunFlag);
 }
 
 std::string GetCloudPrintAuthHeaderFromStore() {
   CloudPrintTokenStore* token_store = CloudPrintTokenStore::current();
   if (!token_store || token_store->token().empty()) {
     // Using LOG here for critical errors. GCP connector may run in the headless
     // mode and error indication might be useful for user in that case.
     LOG(ERROR) << "CP_PROXY: Missing OAuth token for request";
     return std::string();
   }
   return GetCloudPrintAuthHeader(token_store->token());
 }
 
 }  // namespace cloud_print