Reland: WTF: Implement explicit RefPtr::operator bool.

third_party/WebKit/Source/core/style/ComputedStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 890 matching lines @@
     TranslateTransformOperation* translate() const { return rareNonInheritedData->m_transform->m_translate.get(); }
     RotateTransformOperation* rotate() const { return rareNonInheritedData->m_transform->m_rotate.get(); }
     ScaleTransformOperation* scale() const { return rareNonInheritedData->m_transform->m_scale.get(); }
     float transformOriginZ() const { return transformOrigin().z(); }
     bool has3DTransform() const { return rareNonInheritedData->m_transform->has3DTransform(); }
     bool hasTransform() const { return hasTransformOperations() || hasMotionPath() || hasCurrentTransformAnimation() || translate() || rotate() || scale(); }
     bool hasTransformOperations() const { return !rareNonInheritedData->m_transform->m_operations.operations().isEmpty(); }
     bool transformDataEquivalent(const ComputedStyle& otherStyle) const { return rareNonInheritedData->m_transform == otherStyle.rareNonInheritedData->m_transform; }
 
     StylePath* motionPath() const { return rareNonInheritedData->m_transform->m_motion.m_path.get(); }
-    bool hasMotionPath() const { return rareNonInheritedData->m_transform->m_motion.m_path; }
+    bool hasMotionPath() const { return motionPath(); }
     const Length& motionOffset() const { return rareNonInheritedData->m_transform->m_motion.m_offset; }
     const StyleMotionRotation& motionRotation() const { return rareNonInheritedData->m_transform->m_motion.m_rotation; }
 
     TextEmphasisFill getTextEmphasisFill() const { return static_cast<TextEmphasisFill>(rareInheritedData->textEmphasisFill); }
     TextEmphasisMark getTextEmphasisMark() const;
     const AtomicString& textEmphasisCustomMark() const { return rareInheritedData->textEmphasisCustomMark; }
     TextEmphasisPosition getTextEmphasisPosition() const { return static_cast<TextEmphasisPosition>(rareInheritedData->textEmphasisPosition); }
     const AtomicString& textEmphasisMarkString() const;
 
     RubyPosition getRubyPosition() const { return static_cast<RubyPosition>(rareInheritedData->m_rubyPosition); }
@@ skipping 1103 matching lines @@
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const
 {
     return noninherited_flags.pseudoBits & ElementPseudoIdMask;
 }
 
 } // namespace blink
 
 #endif // ComputedStyle_h