Trace where timers were scheduled in Blink

Source/modules/websockets/MainThreadWebSocketChannel.cpp

Index: Source/modules/websockets/MainThreadWebSocketChannel.cpp
diff --git a/Source/modules/websockets/MainThreadWebSocketChannel.cpp b/Source/modules/websockets/MainThreadWebSocketChannel.cpp
index 8ffd35fe57a495dd76fd640f48ef52930af3d586..63dafc21c9d3457b5604ead77e030fc00721824e 100644
--- a/Source/modules/websockets/MainThreadWebSocketChannel.cpp
+++ b/Source/modules/websockets/MainThreadWebSocketChannel.cpp
@@ -177,7 +177,7 @@ void MainThreadWebSocketChannel::close(int code, const String& reason)
         return;
     startClosingHandshake(code, reason);
     if (!m_closingTimer.isActive())
-        m_closingTimer.startOneShot(2 * TCPMaximumSegmentLifetime);
+        m_closingTimer.startOneShot(2 * TCPMaximumSegmentLifetime, FROM_HERE);
 }
 
 void MainThreadWebSocketChannel::clearDocument()
@@ -243,7 +243,7 @@ void MainThreadWebSocketChannel::resume()
 {
     m_suspended = false;
     if ((!m_buffer.isEmpty() || (m_state == ChannelClosed)) && m_client && !m_resumeTimer.isActive())
-        m_resumeTimer.startOneShot(0);
+        m_resumeTimer.startOneShot(0, FROM_HERE);
 }
 
 void MainThreadWebSocketChannel::willOpenSocketStream(SocketStreamHandle* handle)