IDL union: nullable support

Source/bindings/tests/idls/core/TestObject.idl

Index: Source/bindings/tests/idls/core/TestObject.idl
diff --git a/Source/bindings/tests/idls/core/TestObject.idl b/Source/bindings/tests/idls/core/TestObject.idl
index 542f46438e10618d2d7e5911afd7547f75efda5c..dfb1b1c4cf3440dcd5452b0b6686faee72f74c2d 100644
--- a/Source/bindings/tests/idls/core/TestObject.idl
+++ b/Source/bindings/tests/idls/core/TestObject.idl
@@ -157,6 +157,7 @@ interface TestObject {
     attribute EventHandler eventHandlerAttribute;
     // Union types
     attribute (double or DOMString) doubleOrStringAttribute;
+    attribute (double or DOMString)? doubleOrStringOrNullAttribute;

[Jens Widell, 2014/11/07 07:11:53]

Add a (double? or DOMString) attribute as well?

[bashi, 2014/11/07 10:07:53]

Done.

 
     // Extended attributes
     [LogActivity, LogAllWorlds] attribute long activityLoggingAccessForAllWorldsLongAttribute;
@@ -356,7 +357,8 @@ interface TestObject {
     (TestInterfaceWillBeGarbageCollected or TestDictionary) testInterfaceWillBeGarbageCollectedOrTestDictionaryMethod();
     (boolean or DOMString or unrestricted double) booleanOrDOMStringOrUnrestrictedDoubleMethod();
     (TestInterface or long) testInterfaceOrLongMethod();
-    void voidMethodDOMStringOrDouble((DOMString or double) arg);
+    void voidMethodDOMStringOrDouble((double or DOMString) arg);
+    void voidMethodDOMStringOrDoubleOrNull((double or DOMString)? arg);
     void voidMethodDOMStringOrArrayBufferOrArrayBufferView((DOMString or ArrayBuffer or ArrayBufferView) arg);
     // Currently only used on interface type arguments
     void voidMethodTestInterfaceEmptyOrNullArg(TestInterfaceEmpty? nullableTestInterfaceEmptyArg);