One AXObjectCache per frame

Source/modules/accessibility/AXObject.cpp

Index: Source/modules/accessibility/AXObject.cpp
diff --git a/Source/modules/accessibility/AXObject.cpp b/Source/modules/accessibility/AXObject.cpp
index b90b59f053018744656e2be17d1e83da8a5a019f..f644ac689ab72c3fb7d09ea04fb62e2a52d910a1 100644
--- a/Source/modules/accessibility/AXObject.cpp
+++ b/Source/modules/accessibility/AXObject.cpp
@@ -911,14 +911,6 @@ IntRect AXObject::boundingBoxForQuads(LayoutObject* obj, const Vector<FloatQuad>
 
 AXObject* AXObject::elementAccessibilityHitTest(const IntPoint& point) const
 {
-    // Send the hit test back into the sub-frame if necessary.
-    if (isAttachment()) {
-        Widget* widget = widgetForAttachmentView();
-        // Normalize the point for the widget's bounds.
-        if (widget && widget->isFrameView())
-            return axObjectCache().getOrCreate(widget)->accessibilityHitTest(IntPoint(point - widget->frameRect().location()));
-    }
-
     // Check if there are any mock elements that need to be handled.
     for (const auto& child : m_children) {
         if (child->isMockObject() && child->elementRect().contains(point))
@@ -985,19 +977,6 @@ void AXObject::clearChildren()
     m_haveChildren = false;
 }
 
-AXObject* AXObject::focusedUIElement() const
-{
-    Document* doc = document();
-    if (!doc)
-        return 0;
-
-    Page* page = doc->page();
-    if (!page)
-        return 0;
-
-    return axObjectCache().focusedUIElementForPage(page);
-}
-
 Document* AXObject::document() const
 {
     FrameView* frameView = documentFrameView();