Update uses of Value in chromeos/, cloud_print/, components/, content/ to use the base:: namespace.

components/policy/core/common/policy_service.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.
 
 #ifndef COMPONENTS_POLICY_CORE_COMMON_POLICY_SERVICE_H_
 #define COMPONENTS_POLICY_CORE_COMMON_POLICY_SERVICE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 60 matching lines @@
   // Asks the PolicyService to reload policy from all available policy sources.
   // |callback| is invoked once every source has reloaded its policies, and
   // GetPolicies() is guaranteed to return the updated values at that point.
   virtual void RefreshPolicies(const base::Closure& callback) = 0;
 };
 
 // A registrar that only observes changes to particular policies within the
 // PolicyMap for the given policy namespace.
 class POLICY_EXPORT PolicyChangeRegistrar : public PolicyService::Observer {
  public:
-  typedef base::Callback<void(const Value*, const Value*)> UpdateCallback;
+  typedef base::Callback<void(const base::Value*,
+                              const base::Value*)> UpdateCallback;
 
   // Observes updates to the given (domain, component_id) namespace in the given
   // |policy_service|, and notifies |observer| whenever any of the registered
   // policy keys changes. Both the |policy_service| and the |observer| must
   // outlive |this|.
   PolicyChangeRegistrar(PolicyService* policy_service,
                         const PolicyNamespace& ns);
 
   virtual ~PolicyChangeRegistrar();
 
@@ skipping 14 matching lines @@
   PolicyService* policy_service_;
   PolicyNamespace ns_;
   CallbackMap callback_map_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyChangeRegistrar);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_SERVICE_H_