IDL compiler: [GarbageCollected] on other interface

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 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.
@@ skipping 209 matching lines @@
     // Overloads
     void    overloadedMethod(long longArg);
     void    overloadedMethod(TestCallbackInterface callbackInterfaceArg);
     void    overloadedMethod(TestObject objArg);
     void    overloadedMethod(DOMString[] arrayArg);
     void    overloadedMethod(sequence<unsigned long> sequenceArg);
     void    overloadedMethodA(TestObject? objArg, optional long longArg);
     void    overloadedMethodA(TestObject? objArg, DOMString strArg);
     void    overloadedMethodB(DOMString strArg);
     void    overloadedMethodB([StrictTypeChecking] DOMString strArg);
-    void    overloadedMethodC(Dictionary dictionaryArg);  // Non-wrapper type
+    void    overloadedMethodC(Dictionary dictionaryArg); // Non-wrapper type
     void    overloadedMethodC(double doubleArg);
 
     // Class methods within JavaScript (like what's used for IDBKeyRange).
     static void classMethod();
     static long classMethodWithOptional(optional long arg);
     [Custom] static void classMethod2(long arg);
 
     void classMethodWithClamp([Clamp] unsigned short objArgsShort, [Clamp] unsigned long objArgsLong);
 
     // [RuntimeEnabled] methods and attributes.
@@ skipping 72 matching lines @@
     [DeprecateAs=Constant] const unsigned short DEPRECATED_CONSTANT = 1;
 
     // PutForwards
     [PutForwards=href] readonly attribute TestNode location;
     [PutForwards=hrefThrows] readonly attribute TestNode locationWithException;
 };
 
 // The following comment should not generate any code
 // TestObject implements TestImplements;