Source/core/html/LabelableElement.cpp - Issue 23717008: Remove useless null checks from Node::document() call sites

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Side by Side Diff: Source/core/html/LabelableElement.cpp

Issue 23717008: Remove useless null checks from Node::document() call sites (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 3 months ago

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1 /*	1 /*

2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)	2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

3 * (C) 1999 Antti Koivisto (koivisto@kde.org)	3 * (C) 1999 Antti Koivisto (koivisto@kde.org)

4 * (C) 2001 Dirk Mueller (mueller@kde.org)	4 * (C) 2001 Dirk Mueller (mueller@kde.org)

5 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.	5 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.

6 * (C) 2006 Alexey Proskuryakov (ap@nypop.com)	6 * (C) 2006 Alexey Proskuryakov (ap@nypop.com)

7 *	7 *

8 * This library is free software; you can redistribute it and/or	8 * This library is free software; you can redistribute it and/or

9 * modify it under the terms of the GNU Library General Public	9 * modify it under the terms of the GNU Library General Public

10 * License as published by the Free Software Foundation; either	10 * License as published by the Free Software Foundation; either

(...skipping 25 matching lines...) Expand all Loading...
36 }	36 }

37	37

38 LabelableElement::~LabelableElement()	38 LabelableElement::~LabelableElement()

39 {	39 {

40 }	40 }

41	41

42 PassRefPtr<NodeList> LabelableElement::labels()	42 PassRefPtr<NodeList> LabelableElement::labels()

43 {	43 {

44 if (!supportLabels())	44 if (!supportLabels())

45 return 0;	45 return 0;

46 if (!document())

47 return 0;

48	46

49 return ensureRareData()->ensureNodeLists()->addCacheWithAtomicName<LabelsNod eList>(this, LabelsNodeListType, starAtom);	47 return ensureRareData()->ensureNodeLists()->addCacheWithAtomicName<LabelsNod eList>(this, LabelsNodeListType, starAtom);

50 }	48 }

51	49

52 } // namespace Webcore	50 } // namespace Webcore

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