WIP (Introduce WTF::NonNullPtr<T>.)

Source/core/svg/animation/SVGSMILElement.cpp

 /*
  * Copyright (C) 2008 Apple 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 510 matching lines @@
             beginListChanged(elapsed());
         else if (attrName == SVGNames::endAttr)
             endListChanged(elapsed());
     }
 
     animationAttributeChanged();
 }
 
 inline Element* SVGSMILElement::eventBaseFor(const Condition& condition)
 {
-    return condition.m_baseID.isEmpty() ? targetElement() : treeScope().getElementById(condition.m_baseID);
+    return condition.m_baseID.isEmpty() ? targetElement() : treeScope()->getElementById(condition.m_baseID);
 }
 
 void SVGSMILElement::connectConditions()
 {
     if (m_conditionsConnected)
         disconnectConditions();
     m_conditionsConnected = true;
     for (unsigned n = 0; n < m_conditions.size(); ++n) {
         Condition& condition = m_conditions[n];
         if (condition.m_type == Condition::EventBase) {
             ASSERT(!condition.m_syncbase);
             Element* eventBase = eventBaseFor(condition);
             if (!eventBase)
                 continue;
             ASSERT(!condition.m_eventListener);
             condition.m_eventListener = ConditionEventListener::create(this, &condition);
             eventBase->addEventListener(condition.m_name, condition.m_eventListener, false);
         } else if (condition.m_type == Condition::Syncbase) {
             ASSERT(!condition.m_baseID.isEmpty());
-            condition.m_syncbase = treeScope().getElementById(condition.m_baseID);
+            condition.m_syncbase = treeScope()->getElementById(condition.m_baseID);
             if (!isSMILElement(condition.m_syncbase.get())) {
                 condition.m_syncbase = 0;
                 continue;
             }
             toSVGSMILElement(condition.m_syncbase.get())->addTimeDependent(this);
         }
     }
 }
 
 void SVGSMILElement::disconnectConditions()
@@ skipping 679 matching lines @@
     if (eventType == "repeatn") {
         unsigned repeatEventCount = m_repeatEventCountList.first();
         m_repeatEventCountList.remove(0);
         dispatchEvent(Event::create(String("repeat(" + String::number(repeatEventCount) + ")")));
     } else {
         dispatchEvent(Event::create(eventType));
     }
 }
 
 }