Performance.onwebkitresourcetimingbufferfull should be a Function

Source/bindings/tests/idls/TestObject.idl

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary formstrArg, 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.
@@ skipping 57 matching lines @@
     [Reflect] attribute boolean reflectedBooleanAttr;
     [Reflect, URL] attribute DOMString reflectedURLAttr;
     [Reflect=customContentStringAttr] attribute DOMString reflectedStringAttr;
     [Reflect=customContentIntegralAttr] attribute long reflectedCustomIntegralAttr;
     [Reflect=customContentBooleanAttr] attribute boolean reflectedCustomBooleanAttr;
     [Reflect=customContentURLAttr, URL] attribute DOMString reflectedCustomURLAttr;
 
     // TypedArray attribute
     attribute Float32Array typedArrayAttr;
 
+    // Function attribute
+    attribute Function functionAttr;
+
     // Methods
     void    voidMethod();
     void    voidMethodWithArgs(long longArg, DOMString strArg, TestObject objArg);
     long    longMethod();
     long    longMethodWithArgs(long longArg, DOMString strArg, TestObject objArg);
     [MeasureAs=TestFeature] TestObject objMethod();
     TestObject objMethodWithArgs(long longArg, DOMString strArg, TestObject objArg);
 
     void methodWithSequenceArg(sequence<TestInterface> sequenceArg);
     sequence<TestInterface> methodReturningSequence(long longArg);
@@ skipping 229 matching lines @@
 
     [DeprecateAs=Method] void deprecatedMethod();
     [DeprecateAs=StaticMethod] static void deprecatedStaticMethod();
 
     [DeprecateAs=Constant] const unsigned short DEPRECATED_CONSTANT = 1;
 };
 
 // The following comment should not generate any code
 // TestObject implements TestImplements;