InlinedVisitor: Migrate timing to use inlined tracing

Source/core/timing/PerformanceTiming.cpp

 /*
  * Copyright (C) 2010 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 336 matching lines @@
 unsigned long long PerformanceTiming::monotonicTimeToIntegerMilliseconds(double monotonicSeconds) const
 {
     ASSERT(monotonicSeconds >= 0);
     const DocumentLoadTiming* timing = documentLoadTiming();
     if (!timing)
         return 0;
 
     return toIntegerMilliseconds(timing->monotonicTimeToPseudoWallTime(monotonicSeconds));
 }
 
-void PerformanceTiming::trace(Visitor* visitor)
+DEFINE_TRACE(PerformanceTiming)
 {
     DOMWindowProperty::trace(visitor);
 }
 
 } // namespace blink