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

components/policy/core/common/policy_service.cc

 // 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.
 
 #include "components/policy/core/common/policy_service.h"
 
 #include "base/values.h"
 
 namespace policy {
 
@@ skipping 14 matching lines @@
   callback_map_[policy_name] = callback;
 }
 
 void PolicyChangeRegistrar::OnPolicyUpdated(const PolicyNamespace& ns,
                                             const PolicyMap& previous,
                                             const PolicyMap& current) {
   if (ns != ns_)
     return;
   for (CallbackMap::iterator it = callback_map_.begin();
        it != callback_map_.end(); ++it) {
-    const Value* prev = previous.GetValue(it->first);
-    const Value* cur = current.GetValue(it->first);
+    const base::Value* prev = previous.GetValue(it->first);
+    const base::Value* cur = current.GetValue(it->first);
     if (!base::Value::Equals(prev, cur))
       it->second.Run(prev, cur);
   }
 }
 
 }  // namespace policy