Implement select element list box with shadow DOM.

Source/WebCore/accessibility/AccessibilityListBoxOption.cpp

Index: Source/WebCore/accessibility/AccessibilityListBoxOption.cpp
diff --git a/Source/WebCore/accessibility/AccessibilityListBoxOption.cpp b/Source/WebCore/accessibility/AccessibilityListBoxOption.cpp
index 1f87fd42542e53b18c565ff24777ab3096f6ce73..9fc115a546aa77313eca3d4fa1fd3629ee59fbe4 100644
--- a/Source/WebCore/accessibility/AccessibilityListBoxOption.cpp
+++ b/Source/WebCore/accessibility/AccessibilityListBoxOption.cpp
@@ -106,10 +106,10 @@ LayoutRect AccessibilityListBoxOption::elementRect() const
     if (!listBoxRenderer)
         return rect;
     
-    LayoutRect parentRect = listBoxRenderer->document()->axObjectCache()->getOrCreate(listBoxRenderer)->boundingBoxRect();
-    int index = listBoxOptionIndex();
-    if (index != -1)
-        rect = toRenderListBox(listBoxRenderer)->itemBoundingBoxRect(parentRect.location(), index);
+//    LayoutRect parentRect = listBoxRenderer->document()->axObjectCache()->getOrCreate(listBoxRenderer)->boundingBoxRect();

[ojan, 2013/04/22 07:55:57]

Was this intentional? We should never commit commented out code. If the code
doesn't belong anymore, just delete it. Same elsewhere.

+//    int index = listBoxOptionIndex();
+//    if (index != -1)
+//        rect = toRenderListBox(listBoxRenderer)->itemBoundingBoxRect(parentRect.location(), index);
     
     return rect;
 }