Add |WebTextDirection toWebTextDirection(TextDirection)|.

Source/web/WebPopupMenuImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 101 matching lines @@
 
 void WebPopupMenuImpl::handleMouseMove(const WebMouseEvent& event)
 {
     // Don't send mouse move messages if the mouse hasn't moved.
     if (event.x != m_lastMousePosition.x || event.y != m_lastMousePosition.y) {
         m_lastMousePosition = WebPoint(event.x, event.y);
         m_widget->handleMouseMoveEvent(PlatformMouseEventBuilder(m_widget, event));
 
         // We cannot call setToolTipText() in PopupContainer, because PopupContainer is in WebCore, and we cannot refer to WebKit from Webcore.
         PopupContainer* container = static_cast<PopupContainer*>(m_widget);
-        client()->setToolTipText(container->getSelectedItemToolTip(), container->menuStyle().textDirection() == RTL ? WebTextDirectionRightToLeft : WebTextDirectionLeftToRight);
+        client()->setToolTipText(container->getSelectedItemToolTip(), toWebTextDirection(container->menuStyle().textDirection()));
     }
 }
 
 void WebPopupMenuImpl::handleMouseLeave(const WebMouseEvent& event)
 {
     m_widget->handleMouseMoveEvent(PlatformMouseEventBuilder(m_widget, event));
 }
 
 void WebPopupMenuImpl::handleMouseDown(const WebMouseEvent& event)
 {
@@ skipping 278 matching lines @@
     ASSERT(widget == m_widget);
     if (m_widget) {
         m_widget->setClient(0);
         m_widget = 0;
     }
     if (m_client)
         m_client->closeWidgetSoon();
 }
 
 } // namespace blink