Revert of Made content editables report the caret and text selection by treating them as text controls.

Source/modules/accessibility/AXObject.h

Index: Source/modules/accessibility/AXObject.h
diff --git a/Source/modules/accessibility/AXObject.h b/Source/modules/accessibility/AXObject.h
index d8addc78551d4388359856bb8eab33c634346841..42c5b39203046ae28dbbf741da8fa2f5a1b19083 100644
--- a/Source/modules/accessibility/AXObject.h
+++ b/Source/modules/accessibility/AXObject.h
@@ -408,8 +408,8 @@
     bool isTabItem() const { return roleValue() == TabRole; }
     virtual bool isTableCell() const { return false; }
     virtual bool isTableRow() const { return false; }
-    virtual bool isTextControl() const { return false; }
     virtual bool isTableCol() const { return false; }
+    bool isTextControl() const;
     bool isTree() const { return roleValue() == TreeRole; }
     bool isTreeItem() const { return roleValue() == TreeItemRole; }
     bool isWebArea() const { return roleValue() == WebAreaRole; }
@@ -689,6 +689,7 @@
 
     AccessibilityRole buttonRoleType() const;
 
+    bool allowsTextRanges() const { return isTextControl(); }
     unsigned getLengthForTextRange() const { return text().length(); }
 
     bool m_detached;