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

chrome/browser/plugins/plugins_resource_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 "chrome/browser/plugins/plugins_resource_service.h"
 
 #include "base/command_line.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/plugins/plugin_finder.h"
@@ skipping 61 matching lines @@
 PluginsResourceService::~PluginsResourceService() {
 }
 
 // static
 void PluginsResourceService::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterDictionaryPref(prefs::kPluginsMetadata,
                                    new base::DictionaryValue());
   registry->RegisterStringPref(prefs::kPluginsResourceCacheUpdate, "0");
 }
 
-void PluginsResourceService::Unpack(const DictionaryValue& parsed_json) {
+void PluginsResourceService::Unpack(const base::DictionaryValue& parsed_json) {
   prefs_->Set(prefs::kPluginsMetadata, parsed_json);
   PluginFinder::GetInstance()->ReinitializePlugins(&parsed_json);
 }