Trace where timers were scheduled in Blink

Source/core/html/forms/SearchInputType.cpp

Index: Source/core/html/forms/SearchInputType.cpp
diff --git a/Source/core/html/forms/SearchInputType.cpp b/Source/core/html/forms/SearchInputType.cpp
index ba6e85aab406bf7c847bc1eaf8ca91511504fd94..16f40b1ea818b57d28d8fb029f1d15d04192f024 100644
--- a/Source/core/html/forms/SearchInputType.cpp
+++ b/Source/core/html/forms/SearchInputType.cpp
@@ -130,7 +130,7 @@ void SearchInputType::startSearchEventTimer()
 
     // After typing the first key, we wait 0.5 seconds.
     // After the second key, 0.4 seconds, then 0.3, then 0.2 from then on.
-    m_searchEventTimer.startOneShot(max(0.2, 0.6 - 0.1 * length));
+    m_searchEventTimer.startOneShot(max(0.2, 0.6 - 0.1 * length), FROM_HERE);
 }
 
 void SearchInputType::stopSearchEventTimer()