Handle aria-owns and presentational children in AX name calc.

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 Apple 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:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 1410 matching lines @@
     m_cachedElementRectDirty = false;
 }
 
 void AXLayoutObject::markCachedElementRectDirty() const
 {
     if (m_cachedElementRectDirty)
         return;
 
     // Marks children recursively, if this element changed.
     m_cachedElementRectDirty = true;
-    for (AXObject* child = rawFirstChild(); child; child = child->rawFirstSibling())
+    for (AXObject* child = rawFirstChild(); child; child = child->rawNextSibling())
         child->markCachedElementRectDirty();
 }
 
 IntPoint AXLayoutObject::clickPoint()
 {
     // Headings are usually much wider than their textual content. If the mid point is used, often it can be wrong.
     if (isHeading() && children().size() == 1)
         return children()[0]->clickPoint();
 
     // use the default position unless this is an editable web area, in which case we use the selection bounds.
@@ skipping 131 matching lines @@
         return 0;
 
     LayoutObject* firstChild = firstChildConsideringContinuation(m_layoutObject);
 
     if (!firstChild)
         return 0;
 
     return axObjectCache().getOrCreate(firstChild);
 }
 
-AXObject* AXLayoutObject::rawFirstSibling() const
+AXObject* AXLayoutObject::rawNextSibling() const
 {
     if (!m_layoutObject)
         return 0;
 
     LayoutObject* nextSibling = 0;
 
     LayoutInline* inlineContinuation = m_layoutObject->isLayoutBlock() ? toLayoutBlock(m_layoutObject)->inlineElementContinuation() : 0;
     if (inlineContinuation) {
         // Case 1: node is a block and has an inline continuation. Next sibling is the inline continuation's first child.
         nextSibling = firstChildConsideringContinuation(inlineContinuation);
@@ skipping 38 matching lines @@
     ASSERT(!m_haveChildren);
 
     m_haveChildren = true;
 
     if (!canHaveChildren())
         return;
 
     HeapVector<Member<AXObject>> ownedChildren;
     computeAriaOwnsChildren(ownedChildren);
 
-    for (AXObject* obj = rawFirstChild(); obj; obj = obj->rawFirstSibling()) {
+    for (AXObject* obj = rawFirstChild(); obj; obj = obj->rawNextSibling()) {
         if (!axObjectCache().isAriaOwned(obj))
             addChild(obj);
     }
 
     addHiddenChildren();
     addAttachmentChildren();
     addPopupChildren();
     addImageMapChildren();
     addTextFieldChildren();
     addCanvasChildren();
@@ skipping 875 matching lines @@
         if (label && label->layoutObject()) {
             LayoutRect labelRect = axObjectCache().getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace blink