Add task location information to WorkerThread

Source/web/WebWorkerRunLoop.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 43 matching lines @@
 
 }
 
 WebWorkerRunLoop::WebWorkerRunLoop(WorkerThread* workerThread)
     : m_workerThread(workerThread)
 {
 }
 
 bool WebWorkerRunLoop::postTask(Task* task)
 {
-    m_workerThread->postTask(TaskForwarder::create(adoptPtr(task)));
+    m_workerThread->postTask(FROM_HERE, TaskForwarder::create(adoptPtr(task)));
     return !m_workerThread->terminated();
 }
 
 bool WebWorkerRunLoop::equals(const WebWorkerRunLoop& o) const
 {
     return m_workerThread == o.m_workerThread;
 }
 
 } // namespace blink