Convert most of extensions and some other random stuff to using the base namespace for Values.

chrome/browser/extensions/api/downloads/downloads_api.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/extensions/api/downloads/downloads_api.h"
 
 #include <algorithm>
 #include <cctype>
 #include <iterator>
 #include <set>
@@ skipping 769 matching lines @@
 };
 
 std::map<DownloadManager*, ManagerDestructionObserver*>*
   ManagerDestructionObserver::manager_file_existence_last_checked_ = NULL;
 
 void OnDeterminingFilenameWillDispatchCallback(
     bool* any_determiners,
     ExtensionDownloadsEventRouterData* data,
     Profile* profile,
     const extensions::Extension* extension,
-    ListValue* event_args) {
+    base::ListValue* event_args) {
   *any_determiners = true;
   base::Time installed = extensions::ExtensionSystem::Get(
       profile)->extension_service()->extension_prefs()->
     GetInstallTime(extension->id());
   data->AddPendingDeterminer(extension->id(), installed);
 }
 
 }  // namespace
 
 DownloadsDownloadFunction::DownloadsDownloadFunction() {}
@@ skipping 701 matching lines @@
   DownloadsNotificationSource notification_source;
   notification_source.event_name = event_name;
   notification_source.profile = profile_;
   content::Source<DownloadsNotificationSource> content_source(
       &notification_source);
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_DOWNLOADS_EVENT,
       content_source,
       content::Details<std::string>(&json_args));
 }