Implement computedRole and computedName (behind a flag)

Source/modules/accessibility/AXListBox.cpp

Index: Source/modules/accessibility/AXListBox.cpp
diff --git a/Source/modules/accessibility/AXListBox.cpp b/Source/modules/accessibility/AXListBox.cpp
index 1d7b7756fb312e955272963cce406101d46868cd..e76315892b265c7b63d7f7438ff3eb2566991bdb 100644
--- a/Source/modules/accessibility/AXListBox.cpp
+++ b/Source/modules/accessibility/AXListBox.cpp
@@ -29,6 +29,7 @@
 #include "config.h"
 #include "modules/accessibility/AXListBox.h"
 
+#include "core/dom/AXObjectCache.h"
 #include "core/rendering/RenderListBox.h"
 #include "modules/accessibility/AXListBoxOption.h"
 
@@ -36,8 +37,8 @@ namespace blink {
 
 using namespace HTMLNames;
 
-AXListBox::AXListBox(RenderObject* renderer)
-    : AXRenderObject(renderer)
+AXListBox::AXListBox(RenderObject* renderer, AXObjectCache* axObjectCache)
+    : AXRenderObject(renderer, axObjectCache)
 {
 }
 
@@ -45,9 +46,9 @@ AXListBox::~AXListBox()
 {
 }
 
-PassRefPtr<AXListBox> AXListBox::create(RenderObject* renderer)
+PassRefPtr<AXListBox> AXListBox::create(RenderObject* renderer, AXObjectCache* axObjectCache)
 {
-    return adoptRef(new AXListBox(renderer));
+    return adoptRef(new AXListBox(renderer, axObjectCache));
 }
 
 } // namespace blink