Revert of Expose multiline attribute from blink

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 5a998fd842f984d13b6607d072c03ebc4643a854..b42e4fe7756026f856b1ff89f46e858638befd58 100644
--- a/Source/modules/accessibility/AXNodeObject.cpp
+++ b/Source/modules/accessibility/AXNodeObject.cpp
@@ -245,7 +245,7 @@
         return selectElement.multiple() ? ListBoxRole : PopUpButtonRole;
     }
     if (isHTMLTextAreaElement(*node()))
-        return TextFieldRole;
+        return TextAreaRole;
     if (headingLevel())
         return HeadingRole;
     if (isHTMLDivElement(*node()))
@@ -312,6 +312,9 @@
     if (role == ButtonRole)
         role = buttonRoleType();
 
+    if (role == TextAreaRole && !ariaIsMultiline())
+        role = TextFieldRole;
+
     role = remapAriaRoleDueToParent(role);
 
     if (role)
@@ -666,7 +669,7 @@
         return false;
 
     AccessibilityRole ariaRole = ariaRoleAttribute();
-    if (ariaRole != TextFieldRole)
+    if (ariaRole != TextFieldRole && ariaRole != TextAreaRole)
         return false;
 
     return toHTMLInputElement(node)->type() == InputTypeNames::password;
@@ -956,7 +959,7 @@
 
 String AXNodeObject::ariaAutoComplete() const
 {
-    if (roleValue() != ComboBoxRole)
+    if (roleValue() != ComboBoxRole && roleValue() != TextAreaRole)
         return String();
 
     const AtomicString& ariaAutoComplete = getAttribute(aria_autocompleteAttr).lower();