Distinguish actions registered with setTimeout() and setInterval().

Source/core/page/DOMWindowTimers.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
@@ skipping 24 matching lines @@
 
 #include "core/dom/EventTarget.h"
 #include "core/page/DOMTimer.h"
 
 namespace WebCore {
 
 namespace DOMWindowTimers {
 
 int setTimeout(EventTarget* eventTarget, PassOwnPtr<ScheduledAction> action, int timeout)
 {
-    return DOMTimer::install(eventTarget->scriptExecutionContext(), action, timeout, true);
+    return DOMTimer::install(eventTarget->scriptExecutionContext(), DOMTimer::TimeoutType, action, timeout);
 }
 
 int setInterval(EventTarget* eventTarget, PassOwnPtr<ScheduledAction> action, int timeout)
 {
-    return DOMTimer::install(eventTarget->scriptExecutionContext(), action, timeout, false);
+    return DOMTimer::install(eventTarget->scriptExecutionContext(), DOMTimer::IntervalType, action, timeout);
 }
 
 void clearTimeout(EventTarget* eventTarget, int timeoutID)
 {
     if (ScriptExecutionContext* context = eventTarget->scriptExecutionContext())
-        DOMTimer::removeByID(context, timeoutID);
+        DOMTimer::removeByIDIfTypeMatches(context, DOMTimer::TimeoutType, timeoutID);
 }
 
 void clearInterval(EventTarget* eventTarget, int timeoutID)
 {
     if (ScriptExecutionContext* context = eventTarget->scriptExecutionContext())
-        DOMTimer::removeByID(context, timeoutID);
+        DOMTimer::removeByIDIfTypeMatches(context, DOMTimer::IntervalType, timeoutID);
 }
 
 } // namespace DOMWindowTimers
 
 } // namespace WebCore