InlinedVisitor: Migrate timing to use inlined tracing

Source/core/timing/PerformanceEntry.h

Index: Source/core/timing/PerformanceEntry.h
diff --git a/Source/core/timing/PerformanceEntry.h b/Source/core/timing/PerformanceEntry.h
index 32dccaf628cf76c9188884726fa91d7c1b0dee6f..8e559c59776d5138985f2ffb019a5cabc4eea434 100644
--- a/Source/core/timing/PerformanceEntry.h
+++ b/Source/core/timing/PerformanceEntry.h
@@ -59,7 +59,7 @@ public:
         return a->startTime() < b->startTime();
     }
 
-    virtual void trace(Visitor*) { }
+    DEFINE_INLINE_VIRTUAL_TRACE() { }
 
 protected:
     PerformanceEntry(const String& name, const String& entryType, double startTime, double finishTime);