Update some uses of Value in chrome/browser to use the base:: namespace.

chrome/browser/guestview/guestview.h

 // Copyright 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 CHROME_BROWSER_GUESTVIEW_GUESTVIEW_H_
 #define CHROME_BROWSER_GUESTVIEW_GUESTVIEW_H_
 
 #include <queue>
 
 #include "base/values.h"
@@ skipping 11 matching lines @@
 class GuestView : public content::BrowserPluginGuestDelegate {
  public:
   enum Type {
     WEBVIEW,
     ADVIEW,
     UNKNOWN
   };
 
   class Event {
    public:
-     Event(const std::string& name, scoped_ptr<DictionaryValue> args);
+     Event(const std::string& name, scoped_ptr<base::DictionaryValue> args);
      ~Event();
 
     const std::string& name() const { return name_; }
 
-    scoped_ptr<DictionaryValue> GetArguments();
+    scoped_ptr<base::DictionaryValue> GetArguments();
 
    private:
     const std::string name_;
-    scoped_ptr<DictionaryValue> args_;
+    scoped_ptr<base::DictionaryValue> args_;
   };
 
   static Type GetViewTypeFromString(const std::string& api_type);
 
   static GuestView* Create(content::WebContents* guest_web_contents,
                            const std::string& extension_id,
                            Type view_type);
 
   static GuestView* FromWebContents(content::WebContents* web_contents);
 
@@ skipping 77 matching lines @@
   int view_instance_id_;
 
   // This is a queue of Events that are destined to be sent to the embedder once
   // the guest is attached to a particular embedder.
   std::queue<Event*> pending_events_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestView);
 };
 
 #endif  // CHROME_BROWSER_GUESTVIEW_GUESTVIEW_H_