Cosmetic cleanups in chrome/browser/policy/

chrome/browser/policy/user_policy_cache.cc

 // Copyright (c) 2011 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/policy/user_policy_cache.h"
 
 #include <limits>
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/file_path.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
-#include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
 #include "chrome/browser/policy/cloud_policy_provider.h"
 #include "chrome/browser/policy/enterprise_metrics.h"
 #include "chrome/browser/policy/policy_map.h"
 #include "chrome/browser/policy/proto/cloud_policy.pb.h"
 #include "chrome/browser/policy/proto/device_management_local.pb.h"
 #include "chrome/browser/policy/proto/old_generic_format.pb.h"
 #include "policy/configuration_policy_type.h"
 
@@ skipping 198 matching lines @@
       return list;
     }
     default:
       NOTREACHED() << "Unhandled value type";
   }
 
   return NULL;
 }
 
 }  // namespace policy