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

chrome/browser/chromeos/policy/configuration_policy_handler_chromeos.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 "chrome/browser/chromeos/policy/configuration_policy_handler_chromeos.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/magnifier/magnifier_constants.h"
@@ skipping 48 matching lines @@
     errors->AddError(policy, subkey, IDS_POLICY_NOT_SPECIFIED_ERROR);
     return false;
   }
   *value = string_value;
   return true;
 }
 
 }  // namespace
 
 ExternalDataPolicyHandler::ExternalDataPolicyHandler(const char* policy_name)
-    : TypeCheckingPolicyHandler(policy_name, Value::TYPE_DICTIONARY) {
+    : TypeCheckingPolicyHandler(policy_name, base::Value::TYPE_DICTIONARY) {
 }
 
 ExternalDataPolicyHandler::~ExternalDataPolicyHandler() {
 }
 
 bool ExternalDataPolicyHandler::CheckPolicySettings(const PolicyMap& policies,
                                                     PolicyErrorMap* errors) {
   if (!TypeCheckingPolicyHandler::CheckPolicySettings(policies, errors))
     return false;
 
   const std::string policy = policy_name();
   const base::Value* value = policies.GetValue(policy);
   if (!value)
     return true;
 
-  const DictionaryValue* dict = NULL;
+  const base::DictionaryValue* dict = NULL;
   value->GetAsDictionary(&dict);
   if (!dict) {
     NOTREACHED();
     return false;
   }
   std::string url_string;
   std::string hash_string;
   if (!GetSubkeyString(*dict, errors, policy, kSubkeyURL, &url_string) ||
       !GetSubkeyString(*dict, errors, policy, kSubkeyHash, &hash_string)) {
     return false;
@@ skipping 248 matching lines @@
   const base::Value* value = policies.GetValue(policy_name());
   if (value && EnsureInRange(value, NULL, NULL)) {
     if (!prefs->GetValue(prefs::kPowerAcIdleAction, NULL))
       prefs->SetValue(prefs::kPowerAcIdleAction, value->DeepCopy());
     if (!prefs->GetValue(prefs::kPowerBatteryIdleAction, NULL))
       prefs->SetValue(prefs::kPowerBatteryIdleAction, value->DeepCopy());
   }
 }
 
 }  // namespace policy