Remove [PerWorldBindings] IDL attribute from non wrapper type attributes

Source/bindings/tests/idls/TestObject.idl

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 168 matching lines @@
     [DeprecateAs=LongAttribute] attribute long deprecatedLongAttribute;
     [EnforceRange] attribute long enforceRangeLongAttribute;
     [ExposeJSAccessors] attribute long exposeJSAccessorsLongAttribute;
     [ImplementedAs=implementedAsName] attribute long implementedAsLongAttribute;
     [Custom, ImplementedAs=implementedAsNameWithCustom] attribute long customImplementedAsLongAttribute;
     [Custom=Getter, ImplementedAs=implementedAsNameWithCustomGetter] attribute long customGetterImplementedAsLongAttribute;
     [Custom=Setter, ImplementedAs=implementedAsNameWithCustomGetter] attribute long customSetterImplementedAsLongAttribute;
     [MeasureAs=TestFeature] attribute long measureAsLongAttribute;
     [NotEnumerable] attribute long notEnumerableLongAttribute;
     [PerContextEnabled=FeatureName] attribute long perContextEnabledLongAttribute;
-    [PerWorldBindings] attribute long perWorldBindingsLongAttribute;
-    [PerWorldBindings] readonly attribute long perWorldBindingsReadonlyLongAttribute; // Separate read only attribute to check attribute configuration
     [PerWorldBindings] readonly attribute TestInterfaceEmpty perWorldBindingsReadonlyTestInterfaceEmptyAttribute;
     [LogActivity, LogAllWorlds, PerWorldBindings] attribute long activityLoggingAccessPerWorldBindingsLongAttribute;
     [LogActivity, PerWorldBindings] attribute long activityLoggingAccessForIsolatedWorldsPerWorldBindingsLongAttribute;
     [LogActivity=GetterOnly, LogAllWorlds, PerWorldBindings] attribute long activityLoggingGetterPerWorldBindingsLongAttribute;
     [LogActivity=GetterOnly, PerWorldBindings] attribute long activityLoggingGetterForIsolatedWorldsPerWorldBindingsLongAttribute;
     [PutForwards=href] readonly attribute TestNode location;
     [PutForwards=hrefThrows] readonly attribute TestNode locationWithException;
     [PutForwards=hrefCallWith] readonly attribute TestNode locationWithCallWith;
     [PerWorldBindings, PutForwards=href] readonly attribute TestNode locationWithPerWorldBindings;
     [PutForwards=attr1] readonly attribute TestInterfaceGarbageCollected locationGarbageCollected;
@@ skipping 279 matching lines @@
     void voidMethodTestInterfaceWillBeGarbageCollectedArrayArg(TestInterfaceWillBeGarbageCollected[] testInterfaceWillBeGarbageCollectedArrayArg);
 
     // Extended attributes on referenced interfaces
     // (not self; self-reference tests at interface themselves)
     attribute TestInterface testInterfaceAttribute; // [ImplementedAs]
     attribute TestInterfaceGarbageCollected testInterfaceGarbageCollectedAttribute; // [GarbageCollected]
     attribute TestInterfaceGarbageCollected? testInterfaceGarbageCollectedOrNullAttribute; // [GarbageCollected]
     attribute TestInterfaceWillBeGarbageCollected testInterfaceWillBeGarbageCollectedAttribute; // [WillBeGarbageCollected]
     attribute TestInterfaceWillBeGarbageCollected? testInterfaceWillBeGarbageCollectedOrNullAttribute; // [WillBeGarbageCollected]
 };