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

Source/modules/accessibility/AXNodeObject.h

Index: Source/modules/accessibility/AXNodeObject.h
diff --git a/Source/modules/accessibility/AXNodeObject.h b/Source/modules/accessibility/AXNodeObject.h
index bb0c8bf4bb59cae354d6caa177db47ff0f018af1..79330e9ce012663e6480986418f97ae4154d2859 100644
--- a/Source/modules/accessibility/AXNodeObject.h
+++ b/Source/modules/accessibility/AXNodeObject.h
@@ -69,6 +69,8 @@ protected:
     AccessibilityRole determineAriaRoleAttribute() const;
     void elementsFromAttribute(WillBeHeapVector<RawPtrWillBeMember<Element>>& elements, const QualifiedName&) const;
     bool hasContentEditableAttributeSet() const;
+    bool isTextControl() const override;
+    bool allowsTextRanges() const { return isTextControl(); }
     // This returns true if it's focusable but it's not content editable and it's not a control or ARIA control.
     bool isGenericFocusableElement() const;
     HTMLLabelElement* labelForElement(Element*) const;