bindings: Adds virtual ScriptWrappable::wrap method.

Source/core/timing/PerformanceMark.h

Index: Source/core/timing/PerformanceMark.h
diff --git a/Source/core/timing/PerformanceMark.h b/Source/core/timing/PerformanceMark.h
index 5d61f0b2301efab18089391776743dd8f3ed9f65..d1a4cc19d17b36599f73d0ef18a174f6702d9e90 100644
--- a/Source/core/timing/PerformanceMark.h
+++ b/Source/core/timing/PerformanceMark.h
@@ -34,6 +34,7 @@
 namespace blink {
 
 class PerformanceMark FINAL : public PerformanceEntry {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<PerformanceMark> create(const String& name, double startTime)
     {
@@ -56,6 +57,6 @@ private:
     virtual ~PerformanceMark() { }
 };
 
-}
+} // namespace blink
 
-#endif // !defined(PerformanceMark_h)
+#endif // PerformanceMark_h