Rename ContextDestructionObserver to ContextLifecycleObserver

Source/bindings/scripts/CodeGeneratorV8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 4412 matching lines @@
                 push(@args, GetNativeTypeForCallbacks($param->type) . " " . $param->name);
             }
             $code .= join(", ", @args);
             $code .= ");\n";
             $header{classPublic}->add($code);
         }
     }
 
     $header{classPublic}->add(<<END);
 
-    virtual ScriptExecutionContext* scriptExecutionContext() const { return ContextDestructionObserver::scriptExecutionContext(); }
+    virtual ScriptExecutionContext* scriptExecutionContext() const { return ContextLifecycleObserver::scriptExecutionContext(); }
 
 END
     $header{classPrivate}->add(<<END);
     ${v8ClassName}(v8::Handle<v8::Object>, ScriptExecutionContext*);
 
     ScopedPersistent<v8::Object> m_callback;
     RefPtr<DOMWrapperWorld> m_world;
 END
 }
 
@@ skipping 1450 matching lines @@
         if ($currentInterface->extendedAttributes->{$extendedAttribute}) {
             $found = 1;
         }
         return 1 if $found;
     }, 0);
 
     return $found;
 }
 
 1;