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 bc9d4467b2fe0607fb7b6a428ffadd00e6bd4cf0..4b0a5c5edcb757061c4630b92f4a0fa5bda62116 100644
--- a/public/web/WebWidget.h
+++ b/public/web/WebWidget.h
@@ -160,6 +160,14 @@ public:
         float scaleFactor,
         float topControlsDelta) { }
 
+    enum frameTimingEventType {

[enne (OOO), 2015/02/10 00:17:49]

style nit: The "f" should be capitalized here, right?

[MikeB, 2015/03/18 21:18:34]

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) { }

[enne (OOO), 2015/02/10 00:17:49]

I assume there's some future patch to hook something up to call this?

[MikeB, 2015/03/18 21:18:34]

https://codereview.chromium.org/914403003/

*note: there will be another follow-up patch to get the Composite events in
addition to the Render events.

+
     // Called to inform the WebWidget that mouse capture was lost.
     virtual void mouseCaptureLost() { }