Added some more roles to the list of roles that calculate their names from content.

third_party/WebKit/Source/modules/accessibility/AXObject.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 1700 matching lines @@
   Vector<String> roleVector;
   role.split(' ', roleVector);
   for (const auto& child : roleVector) {
     if (roleSet->contains(child))
       return true;
   }
   return false;
 }
 
 bool AXObject::nameFromContents() const {
+  // ARIA 1.1, section 5.2.7.5.
   switch (roleValue()) {
     case ButtonRole:
+    case CellRole:
     case CheckBoxRole:
+    case ColumnHeaderRole:
     case DirectoryRole:
     case DisclosureTriangleRole:
     case HeadingRole:
     case LineBreakRole:
     case LinkRole:
     case ListBoxOptionRole:
     case ListItemRole:
     case MenuItemRole:
     case MenuItemCheckBoxRole:
     case MenuItemRadioRole:
     case MenuListOptionRole:
     case PopUpButtonRole:
     case RadioButtonRole:
+    case RowHeaderRole:
     case StaticTextRole:
     case StatusRole:
     case SwitchRole:
     case TabRole:
     case ToggleButtonRole:
     case TreeItemRole:
+    case UserInterfaceTooltipRole:
       return true;
     default:
       return false;
   }
 }
 
 AccessibilityRole AXObject::buttonRoleType() const {
   // If aria-pressed is present, then it should be exposed as a toggle button.
   // http://www.w3.org/TR/wai-aria/states_and_properties#aria-pressed
   if (ariaPressedIsPresent())
@@ skipping 20 matching lines @@
 }
 
 DEFINE_TRACE(AXObject) {
   visitor->trace(m_children);
   visitor->trace(m_parent);
   visitor->trace(m_cachedLiveRegionRoot);
   visitor->trace(m_axObjectCache);
 }
 
 }  // namespace blink