Trace where timers were scheduled in Blink

Source/core/fetch/Resource.cpp

Index: Source/core/fetch/Resource.cpp
diff --git a/Source/core/fetch/Resource.cpp b/Source/core/fetch/Resource.cpp
index e5219533d112d468fbb1386866646b68a70e6b88..ee2246ab6c1e6e2508e7a44b7a3e38de8807d462 100644
--- a/Source/core/fetch/Resource.cpp
+++ b/Source/core/fetch/Resource.cpp
@@ -525,7 +525,7 @@ void Resource::allClientsRemoved()
     if (m_type == MainResource || m_type == Raw)
         cancelTimerFired(&m_cancelTimer);
     else if (!m_cancelTimer.isActive())
-        m_cancelTimer.startOneShot(0);
+        m_cancelTimer.startOneShot(0, FROM_HERE);
 }
 
 void Resource::cancelTimerFired(Timer<Resource>* timer)
@@ -882,7 +882,7 @@ Resource::ResourceCallback::ResourceCallback()
 void Resource::ResourceCallback::schedule(Resource* resource)
 {
     if (!m_callbackTimer.isActive())
-        m_callbackTimer.startOneShot(0);
+        m_callbackTimer.startOneShot(0, FROM_HERE);
     m_resourcesWithPendingClients.add(resource);
 }