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

chrome/browser/ui/ash/launcher/launcher_item_controller.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/ui/ash/launcher/launcher_item_controller.h"
 
 #include "base/basictypes.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 18 matching lines @@
 const std::string& LauncherItemController::app_id() const {
   return app_id_;
 }
 
 base::string16 LauncherItemController::GetAppTitle() const {
   if (app_id_.empty())
     return base::string16();
   const extensions::Extension* extension =
       launcher_controller_->profile()->GetExtensionService()->
       GetInstalledExtension(app_id_);
-  return extension ? UTF8ToUTF16(extension->name()) : base::string16();
+  return extension ? base::UTF8ToUTF16(extension->name()) : base::string16();
 }
 
 ash::LauncherItemType LauncherItemController::GetLauncherItemType() const {
   switch (type_) {
     case LauncherItemController::TYPE_SHORTCUT:
     case LauncherItemController::TYPE_WINDOWED_APP:
       return ash::TYPE_APP_SHORTCUT;
     case LauncherItemController::TYPE_APP:
       return ash::TYPE_PLATFORM_APP;
     case LauncherItemController::TYPE_APP_PANEL:
       return ash::TYPE_APP_PANEL;
   }
   NOTREACHED();
   return ash::TYPE_APP_SHORTCUT;
 }