Cosmetic cleanups in chrome/browser/policy/

chrome/browser/policy/config_dir_policy_provider.h

Index: chrome/browser/policy/config_dir_policy_provider.h
diff --git a/chrome/browser/policy/config_dir_policy_provider.h b/chrome/browser/policy/config_dir_policy_provider.h
index 3647489b04650cfb2dd509b54d2937ac01c0b35f..1b658b03098e01f3eb0070bf07b4d986775f067a 100644
--- a/chrome/browser/policy/config_dir_policy_provider.h
+++ b/chrome/browser/policy/config_dir_policy_provider.h
@@ -6,8 +6,12 @@
 #define CHROME_BROWSER_POLICY_CONFIG_DIR_POLICY_PROVIDER_H_
 #pragma once
 
+#include "base/time.h"
+#include "base/values.h"
 #include "chrome/browser/policy/file_based_policy_provider.h"
 
+class FilePath;
+
 namespace policy {
 
 // Policy provider backed by JSON files in a configuration directory.
@@ -32,8 +36,8 @@ class ConfigDirPolicyProviderDelegate
   explicit ConfigDirPolicyProviderDelegate(const FilePath& config_dir);
 
   // FileBasedPolicyProvider::ProviderDelegate implementation.
-  virtual DictionaryValue* Load();
-  virtual base::Time GetLastModification();
+  virtual DictionaryValue* Load() OVERRIDE;
+  virtual base::Time GetLastModification() OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ConfigDirPolicyProviderDelegate);