chrome: Use stl utilities from the base namespace

chrome/browser/engagement/site_engagement_eviction_policy.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/engagement/site_engagement_eviction_policy.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 47 matching lines @@
         (special_storage_policy->IsStorageUnlimited(origin) ||
          special_storage_policy->IsStorageDurable(origin))) {
       continue;
     }
 
     // |overuse| can be negative if the soft quota exceeds the usage.
     int64_t overuse =
         usage.second -
         GetSoftQuotaForOrigin(origin, score_provider->GetScore(origin),
                               total_engagement_points, global_quota);
-    if (overuse > max_overuse && !ContainsKey(exceptions, origin)) {
+    if (overuse > max_overuse && !base::ContainsKey(exceptions, origin)) {
       max_overuse = overuse;
       origin_to_evict = origin;
     }
   }
 
   return origin_to_evict;
 }
 
 GURL GetSiteEngagementEvictionOriginOnUIThread(
     const scoped_refptr<storage::SpecialStoragePolicy>& special_storage_policy,
@@ skipping 56 matching lines @@
 // static
 GURL SiteEngagementEvictionPolicy::CalculateEvictionOriginForTests(
     const scoped_refptr<storage::SpecialStoragePolicy>& special_storage_policy,
     SiteEngagementScoreProvider* score_provider,
     const std::set<GURL>& exceptions,
     const std::map<GURL, int64_t>& usage_map,
     int64_t global_quota) {
   return DoCalculateEvictionOrigin(special_storage_policy, score_provider,
                                    exceptions, usage_map, global_quota);
 }