Fall back to title element text for SVG root text alternatives

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

 /*
  * Copyright (C) 2012 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 49 matching lines @@
 {
     ASSERT(!isDetached());
     // If a parent was set because this is a remote SVG resource, use that
     // but otherwise, we should rely on the standard layout tree for the parent.
     if (m_parent)
         return m_parent;
 
     return AXLayoutObject::computeParent();
 }
 
+// SVG AAM 1.0 S8.2: the default role for an SVG root is "group".
+AccessibilityRole AXSVGRoot::determineAccessibilityRole()
+{
+    AccessibilityRole role = AXLayoutObject::determineAccessibilityRole();
+    if (role == UnknownRole)
+        role = GroupRole;
+    return role;
+}
+
+// SVG elements are only ignored when a generic element would also be ignored.
+bool AXSVGRoot::computeAccessibilityIsIgnored(IgnoredReasons* reasons) const
+{
+    return accessibilityIsIgnoredByDefault(reasons);
+}
 
 } // namespace blink