Convert most of extensions and some other random stuff to using the base namespace for Values.

chrome/browser/prefs/scoped_user_pref_update.h

 // Copyright (c) 2012 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.
 //
 // A helper class that assists preferences in firing notifications when lists
 // or dictionaries are changed.
 
 #ifndef CHROME_BROWSER_PREFS_SCOPED_USER_PREF_UPDATE_H_
 #define CHROME_BROWSER_PREFS_SCOPED_USER_PREF_UPDATE_H_
 
@@ skipping 80 matching lines @@
   }
 
   T* operator->() {
     return Get();
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScopedUserPrefUpdate);
 };
 
-typedef ScopedUserPrefUpdate<base::DictionaryValue, Value::TYPE_DICTIONARY>
+typedef ScopedUserPrefUpdate<base::DictionaryValue,
+                             base::Value::TYPE_DICTIONARY>
     DictionaryPrefUpdate;
-typedef ScopedUserPrefUpdate<base::ListValue, Value::TYPE_LIST> ListPrefUpdate;
+typedef ScopedUserPrefUpdate<base::ListValue, base::Value::TYPE_LIST>
+    ListPrefUpdate;
 
 #endif  // CHROME_BROWSER_PREFS_SCOPED_USER_PREF_UPDATE_H_