Get rid of AXScrollView and AXScrollbar

content/browser/accessibility/browser_accessibility.cc

Index: content/browser/accessibility/browser_accessibility.cc
diff --git a/content/browser/accessibility/browser_accessibility.cc b/content/browser/accessibility/browser_accessibility.cc
index 20beb7ffba32ff4a8581d2d08d7df9d0d32c7af9..f28f11b94b7885c86e897f2d0cf4a6dcd5d21cf4 100644
--- a/content/browser/accessibility/browser_accessibility.cc
+++ b/content/browser/accessibility/browser_accessibility.cc
@@ -699,11 +699,7 @@ bool BrowserAccessibility::IsWebAreaForPresentationalIframe() const {
   if (!parent)
     return false;
 
-  BrowserAccessibility* grandparent = parent->GetParent();
-  if (!grandparent)
-    return false;
-
-  return grandparent->GetRole() == ui::AX_ROLE_IFRAME_PRESENTATIONAL;
+  return parent->GetRole() == ui::AX_ROLE_IFRAME_PRESENTATIONAL;
 }
 
 bool BrowserAccessibility::IsControl() const {