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

Source/core/page/Frame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 148 matching lines @@
 
 bool Frame::inScope(TreeScope* scope) const
 {
     ASSERT(scope);
     Document* doc = document();
     if (!doc)
         return false;
     HTMLFrameOwnerElement* owner = doc->ownerElement();
     if (!owner)
         return false;
-    return &owner->treeScope() == scope;
+    return owner->treeScope() == scope;
 }
 
 void Frame::addDestructionObserver(FrameDestructionObserver* observer)
 {
     m_destructionObservers.add(observer);
 }
 
 void Frame::removeDestructionObserver(FrameDestructionObserver* observer)
 {
     m_destructionObservers.remove(observer);
@@ skipping 531 matching lines @@
     if (!m_page)
         return 0;
 
     double ratio = m_page->deviceScaleFactor();
     if (RuntimeEnabledFeatures::devicePixelRatioIncludesZoomEnabled())
         ratio *= pageZoomFactor();
     return ratio;
 }
 
 } // namespace WebCore