Worker: Move close() from WorkerGlobalScope to derived interfaces

third_party/WebKit/Source/core/workers/WorkerGlobalScope.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009, 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
@@ skipping 141 matching lines @@
 
 WorkerLocation* WorkerGlobalScope::location() const
 {
     if (!m_location)
         m_location = WorkerLocation::create(m_url);
     return m_location.get();
 }
 
 void WorkerGlobalScope::close()
 {
-    // Let current script run to completion, but tell the worker micro task runner to tear down the thread after this task.
+    // Let current script run to completion, but tell the worker micro task
+    // runner to tear down the thread after this task.
     m_closing = true;
 }
 
 WorkerNavigator* WorkerGlobalScope::navigator() const
 {
     if (!m_navigator)
         m_navigator = WorkerNavigator::create(m_userAgent);
     return m_navigator.get();
 }
 
@@ skipping 244 matching lines @@
     visitor->trace(m_messageStorage);
     visitor->trace(m_pendingMessages);
     visitor->trace(m_eventListeners);
     ExecutionContext::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
     SecurityContext::trace(visitor);
     Supplementable<WorkerGlobalScope>::trace(visitor);
 }
 
 } // namespace blink