Move base/values.h into the base namespace.

chrome/browser/ui/webui/net_internals_ui.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_NET_INTERNALS_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_NET_INTERNALS_UI_H_
 #pragma once
 
 #include "chrome/browser/ui/webui/chrome_web_ui.h"
 
+namespace base {
 class Value;
+}
 
 class NetInternalsUI : public ChromeWebUI {
  public:
   explicit NetInternalsUI(TabContents* contents);
 
   // Returns a Value containing constants NetInternals needs to load a log file.
   // Safe to call on any thread.  Caller takes ownership of the returned Value.
-  static Value* GetConstants();
+  static base::Value* GetConstants();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetInternalsUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NET_INTERNALS_UI_H_