Navigation Timing Level 2

third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp

Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
index cf5a2af03e45f5ac061d31eddef52b62d989e000..d3793d6bd88695a9ba36bbc7d323f22009ce668b 100644
--- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
@@ -76,6 +76,8 @@
 #include "core/page/Page.h"
 #include "core/page/WindowFeatures.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
+#include "core/timing/DOMWindowPerformance.h"
+#include "core/timing/Performance.h"
 #include "platform/EventDispatchForbiddenScope.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/Suborigin.h"
@@ -1402,6 +1404,11 @@ void LocalDOMWindow::dispatchLoadEvent() {
     dispatchEvent(loadEvent, document());
   }
 
+  Performance* performance = DOMWindowPerformance::performance(*this);

[panicker, 2016/11/14 17:38:52]

these 2 lines can go inside the if () below..

[sunjian, 2016/11/14 22:12:28]

Done.

+  DCHECK(performance);
+  if (frame())
+    performance->addNavigationTiming(frame());
+
   // For load events, send a separate load event to the enclosing frame only.
   // This is a DOM extension and is independent of bubbling/capturing rules of
   // the DOM.