InlinedVisitor: Migrate timing to use inlined tracing

Source/core/timing/PerformanceTiming.cpp

Index: Source/core/timing/PerformanceTiming.cpp
diff --git a/Source/core/timing/PerformanceTiming.cpp b/Source/core/timing/PerformanceTiming.cpp
index 9a74e3392aa43d4f2bc838c16265cec901e9f768..ed6155a78dfd31f1f5cdfc1c01c8baa330dfd5a4 100644
--- a/Source/core/timing/PerformanceTiming.cpp
+++ b/Source/core/timing/PerformanceTiming.cpp
@@ -354,7 +354,7 @@ unsigned long long PerformanceTiming::monotonicTimeToIntegerMilliseconds(double
     return toIntegerMilliseconds(timing->monotonicTimeToPseudoWallTime(monotonicSeconds));
 }
 
-void PerformanceTiming::trace(Visitor* visitor)
+DEFINE_TRACE(PerformanceTiming)
 {
     DOMWindowProperty::trace(visitor);
 }