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

chrome/browser/local_discovery/privet_http.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_LOCAL_DISCOVERY_PRIVET_HTTP_H_
 #define CHROME_BROWSER_LOCAL_DISCOVERY_PRIVET_HTTP_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 70 matching lines @@
     // TODO(noamsml): Remove all unnecessary parameters.
     // Called in case of an error while registering.  |action| is the
     // registration action taken during the error. |reason| is the reason for
     // the failure. |printer_http_code| is the http code returned from the
     // printer. If it is -1, an internal error occurred while trying to complete
     // the request. |json| may be null if printer_http_code signifies an error.
     virtual void OnPrivetRegisterError(PrivetRegisterOperation* operation,
                                        const std::string& action,
                                        FailureReason reason,
                                        int printer_http_code,
-                                       const DictionaryValue* json) = 0;
+                                       const base::DictionaryValue* json) = 0;
 
     // Called when the registration is done.
     virtual void OnPrivetRegisterDone(PrivetRegisterOperation* operation,
                                       const std::string& device_id) = 0;
   };
 
   virtual ~PrivetRegisterOperation() {}
 
   virtual void Start() = 0;
   // Owner SHOULD call explicitly before destroying operation.
@@ skipping 76 matching lines @@
       PrivetCapabilitiesOperation::Delegate* delegate) = 0;
   virtual scoped_ptr<PrivetLocalPrintOperation> CreateLocalPrintOperation(
       PrivetLocalPrintOperation::Delegate* delegate) = 0;
 
   // A name for the HTTP client, e.g. the device name for the privet device.
   virtual const std::string& GetName() = 0;
 };
 
 }  // namespace local_discovery
 #endif  // CHROME_BROWSER_LOCAL_DISCOVERY_PRIVET_HTTP_H_