Blink changes to record interest rects for http://w3c.github.io/frame-timing/

public/web/WebWidget.h

Index: public/web/WebWidget.h
diff --git a/public/web/WebWidget.h b/public/web/WebWidget.h
index 47db18352cd84d5452b58c35c64caedc7bf2d82d..a744f3abd48395869f379e9e24711fa198419699 100644
--- a/public/web/WebWidget.h
+++ b/public/web/WebWidget.h
@@ -161,6 +161,14 @@ public:
         float scaleFactor,
         float topControlsShownRatioDelta) { }
 
+    enum FrameTimingEventType {

[chrishtr, 2015/03/27 01:13:03]

Add a comment linking to http://w3c.github.io/frame-timing/ for definition of
terms.

[MikeB, 2015/04/14 18:05:46]

Done.

+        CompositeEvent,
+        RenderEvent,
+    };
+
+    // Records composite or render events for the Performance Timeline.
+    virtual void recordFrameTimingEvent(FrameTimingEventType eventType, int64_t RectId, const WebVector<std::pair<int, double>>& events) { }
+
     // Called to inform the WebWidget that mouse capture was lost.
     virtual void mouseCaptureLost() { }