Remove temporary code after migration of Platform::updateTraceEventDuration

webkit/child/webkitplatformsupport_impl.cc

Index: webkit/child/webkitplatformsupport_impl.cc
diff --git a/webkit/child/webkitplatformsupport_impl.cc b/webkit/child/webkitplatformsupport_impl.cc
index 48c8854e941b3c05dacbe64f708abddc8c8b9af3..137a2b3f23d815058012ac21a5115b7e32352d6f 100644
--- a/webkit/child/webkitplatformsupport_impl.cc
+++ b/webkit/child/webkitplatformsupport_impl.cc
@@ -490,12 +490,6 @@ blink::Platform::TraceEventHandle WebKitPlatformSupportImpl::addTraceEvent(
   return result;
 }
 
-// TODO(wangxianzhu): Remove this.
-void WebKitPlatformSupportImpl::updateTraceEventDuration(
-    TraceEventHandle handle) {
-  updateTraceEventDuration(NULL, NULL, handle);
-}
-
 void WebKitPlatformSupportImpl::updateTraceEventDuration(
     const unsigned char* category_group_enabled,
     const char* name,