Rename ContextDestructionObserver to ContextLifecycleObserver

Source/core/dom/CustomElementRegistry.h

 /*
  * Copyright (C) 2012 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef CustomElementRegistry_h
 #define CustomElementRegistry_h
 
 #include "bindings/v8/ScriptValue.h"
-#include "core/dom/ContextDestructionObserver.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/CustomElementUpgradeCandidateMap.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/QualifiedName.h"
 #include "wtf/HashSet.h"
 #include "wtf/ListHashSet.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/text/AtomicString.h"
@@ skipping 13 matching lines @@
     ~CustomElementInvocation();
 
     Element* element() const { return m_element.get(); }
 
 private:
     RefPtr<Element> m_element;
 };
 
 void setTypeExtension(Element*, const AtomicString& typeExtension);
 
-class CustomElementRegistry : public RefCounted<CustomElementRegistry>, public ContextDestructionObserver {
+class CustomElementRegistry : public RefCounted<CustomElementRegistry>, public ContextLifecycleObserver {
     WTF_MAKE_NONCOPYABLE(CustomElementRegistry); WTF_MAKE_FAST_ALLOCATED;
 public:
     class CallbackDeliveryScope {
     public:
         CallbackDeliveryScope() { }
         ~CallbackDeliveryScope() { CustomElementRegistry::deliverAllLifecycleCallbacksIfNeeded(); }
     };
 
     explicit CustomElementRegistry(Document*);
     ~CustomElementRegistry();
@@ skipping 46 matching lines @@
 inline CustomElementRegistry::InstanceSet& CustomElementRegistry::activeCustomElementRegistries()
 {
     DEFINE_STATIC_LOCAL(InstanceSet, activeInstances, ());
     return activeInstances;
 }
 
 
 } // namespace WebCore
 
 #endif