components: Use stl utilities from the base namespace

components/policy/core/common/policy_bundle.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 "components/policy/core/common/policy_bundle.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 
 namespace policy {
@@ skipping 86 matching lines @@
         !it_this->second->Equals(*it_other->second)) {
       return false;
     }
     ++it_this;
     ++it_other;
   }
   return it_this == end() && it_other == other.end();
 }
 
 void PolicyBundle::Clear() {
-  STLDeleteValues(&policy_bundle_);
+  base::STLDeleteValues(&policy_bundle_);
 }
 
 }  // namespace policy