Oilpan: Remove "this" argument of registerPreFinalizer() from documentation.

third_party/WebKit/Source/platform/heap/ThreadState.h

 /*
  * 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 74 matching lines @@
 // idiom usages with the pre-finalizer if the replacement won't cause
 // performance regressions.
 //
 // Usage:
 //
 // class Foo : GarbageCollected<Foo> {
 //     USING_PRE_FINALIZER(Foo, dispose);
 // public:
 //     Foo()
 //     {
-//         ThreadState::current()->registerPreFinalizer(this, dispose);
+//         ThreadState::current()->registerPreFinalizer(dispose);
 //     }
 // private:
 //     void dispose()
 //     {
 //         m_bar->...; // It is safe to touch other on-heap objects.
 //     }
 //     Member<Bar> m_bar;
 // };
 #define USING_PRE_FINALIZER(Class, preFinalizer)    \
 public:                                             \
@@ skipping 567 matching lines @@
 };
 
 template<> class ThreadStateFor<AnyThread> {
 public:
     static ThreadState* state() { return ThreadState::current(); }
 };
 
 } // namespace blink
 
 #endif // ThreadState_h