Revert of Expose multiline attribute from blink

Source/modules/accessibility/InspectorAccessibilityAgent.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "modules/accessibility/InspectorAccessibilityAgent.h"
 
 #include "core/dom/AXObjectCache.h"
 #include "core/dom/DOMNodeIds.h"
@@ skipping 195 matching lines @@
     return role == GridRole || role == ListBoxRole || role == TabListRole || role == TreeGridRole || role == TreeRole;
 }
 
 bool roleAllowsOrientation(AccessibilityRole role)
 {
     return role == ScrollBarRole || role == SplitterRole || role == SliderRole;
 }
 
 bool roleAllowsReadonly(AccessibilityRole role)
 {
-    return role == GridRole || role == CellRole || role == TextFieldRole || role == ColumnHeaderRole || role == RowHeaderRole || role == TreeGridRole;
+    return role == GridRole || role == CellRole || role == TextAreaRole || role == TextFieldRole || role == ColumnHeaderRole || role == RowHeaderRole || role == TreeGridRole;
 }
 
 bool roleAllowsRequired(AccessibilityRole role)
 {
-    return role == ComboBoxRole || role == CellRole || role == ListBoxRole || role == RadioGroupRole || role == SpinButtonRole || role == TextFieldRole || role == TreeRole || role == ColumnHeaderRole || role == RowHeaderRole || role == TreeGridRole;
+    return role == ComboBoxRole || role == CellRole || role == ListBoxRole || role == RadioGroupRole || role == SpinButtonRole || role == TextAreaRole || role == TextFieldRole || role == TreeRole || role == ColumnHeaderRole || role == RowHeaderRole || role == TreeGridRole;
 }
 
 bool roleAllowsSort(AccessibilityRole role)
 {
     return role == ColumnHeaderRole || role == RowHeaderRole;
 }
 
 bool roleAllowsRangeValues(AccessibilityRole role)
 {
     return role == ProgressIndicatorRole || role == ScrollBarRole || role == SliderRole || role == SpinButtonRole;
@@ skipping 41 matching lines @@
             break;
         case AccessibilityOrientationHorizontal:
             properties->addItem(createProperty(AXWidgetAttributes::Orientation, createValue("horizontal", AXValueType::Token)));
             break;
         case AccessibilityOrientationUndefined:
             break;
         }
     }
 
     if (role == TextFieldRole)
-        properties->addItem(createProperty(AXWidgetAttributes::Multiline, createBooleanValue(axObject->isMultiline())));
+        properties->addItem(createProperty(AXWidgetAttributes::Multiline, createBooleanValue(false)));
+    else if (role == TextAreaRole)
+        properties->addItem(createProperty(AXWidgetAttributes::Multiline, createBooleanValue(true)));
 
     if (roleAllowsReadonly(role)) {
         properties->addItem(createProperty(AXWidgetAttributes::Readonly, createBooleanValue(axObject->isReadOnly())));
     }
 
     if (roleAllowsRequired(role)) {
         properties->addItem(createProperty(AXWidgetAttributes::Required, createBooleanValue(axObject->isRequired())));
     }
 
     if (roleAllowsSort(role)) {
@@ skipping 140 matching lines @@
     accessibilityNode = buildObjectForNode(element, axObject, cacheImpl, properties);
 }
 
 DEFINE_TRACE(InspectorAccessibilityAgent)
 {
     visitor->trace(m_page);
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink