Reland: Made content editables report the caret and text selection by treating them as text controls

Source/modules/accessibility/AXNodeObject.cpp

Index: Source/modules/accessibility/AXNodeObject.cpp
diff --git a/Source/modules/accessibility/AXNodeObject.cpp b/Source/modules/accessibility/AXNodeObject.cpp
index 1ec6fcadd8e14abd26b2d4578f0ccc9b7c93e9eb..ebb3054544bfbc5ae805dda1cfb3ab394019dc3c 100644
--- a/Source/modules/accessibility/AXNodeObject.cpp
+++ b/Source/modules/accessibility/AXNodeObject.cpp
@@ -345,17 +345,6 @@ void AXNodeObject::elementsFromAttribute(WillBeHeapVector<RawPtrWillBeMember<Ele
     }
 }
 
-// If you call node->hasEditableStyle() since that will return true if an ancestor is editable.
-// This only returns true if this is the element that actually has the contentEditable attribute set.
-bool AXNodeObject::hasContentEditableAttributeSet() const
-{
-    if (!hasAttribute(contenteditableAttr))
-        return false;
-    const AtomicString& contentEditableValue = getAttribute(contenteditableAttr);
-    // Both "true" (case-insensitive) and the empty string count as true.
-    return contentEditableValue.isEmpty() || equalIgnoringCase(contentEditableValue, "true");
-}
-
 bool AXNodeObject::isGenericFocusableElement() const
 {
     if (!canSetFocusAttribute())