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

content/browser/devtools/devtools_protocol.h

 // Copyright (c) 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.
 
 #ifndef CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_PROTOCOL_H_
 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_PROTOCOL_H_
 
 #include <map>
 #include <string>
 
@@ skipping 133 matching lines @@
 
   static Command* ParseCommand(const std::string& json,
                                std::string* error_response);
 
   static Notification* ParseNotification(const std::string& json);
 
   static Notification* CreateNotification(const std::string& method,
                                           base::DictionaryValue* params);
 
  private:
-  static DictionaryValue* ParseMessage(const std::string& json,
-                                       std::string* error_response);
+  static base::DictionaryValue* ParseMessage(const std::string& json,
+                                             std::string* error_response);
 
   DevToolsProtocol() {}
   ~DevToolsProtocol() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_PROTOCOL_H_