Trace where timers were scheduled in Blink

Source/core/svg/animation/SMILTimeContainer.cpp

Index: Source/core/svg/animation/SMILTimeContainer.cpp
diff --git a/Source/core/svg/animation/SMILTimeContainer.cpp b/Source/core/svg/animation/SMILTimeContainer.cpp
index c41555d4d18203e592dc1c81d5ce2f275f8c3608..575fd5e74106b121a39f7fac99ff49a4eeafdcbc 100644
--- a/Source/core/svg/animation/SMILTimeContainer.cpp
+++ b/Source/core/svg/animation/SMILTimeContainer.cpp
@@ -217,7 +217,7 @@ void SMILTimeContainer::scheduleAnimationFrame(SMILTime fireTime)
         return;
 
     SMILTime delay = max(fireTime - elapsed(), SMILTime(animationFrameDelay));
-    m_timer.startOneShot(delay.value());
+    m_timer.startOneShot(delay.value(), FROM_HERE);
 }
 
 void SMILTimeContainer::scheduleAnimationFrame()
@@ -225,7 +225,7 @@ void SMILTimeContainer::scheduleAnimationFrame()
     if (!isTimelineRunning())
         return;
 
-    m_timer.startOneShot(0);
+    m_timer.startOneShot(0, FROM_HERE);
 }
 
 void SMILTimeContainer::cancelAnimationFrame()