Revert of Change ComputedStyle::setUnique to take bool parameter.

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
@@ skipping 2530 matching lines @@
   bool affectedByActive() const {
     return m_nonInheritedData.m_affectedByActive;
   }
   void setAffectedByActive() { m_nonInheritedData.m_affectedByActive = true; }
 
   bool affectedByDrag() const { return m_nonInheritedData.m_affectedByDrag; }
   void setAffectedByDrag() { m_nonInheritedData.m_affectedByDrag = true; }
 
   bool emptyState() const { return m_nonInheritedData.m_emptyState; }
   void setEmptyState(bool b) {
-    setUnique(true);
+    setUnique();
     m_nonInheritedData.m_emptyState = b;
   }
 
   bool hasInlineTransform() const {
     return m_rareNonInheritedData->m_hasInlineTransform;
   }
   void setHasInlineTransform(bool b) {
     SET_VAR(m_rareNonInheritedData, m_hasInlineTransform, b);
   }
 
@@ skipping 52 matching lines @@
   bool isStackingContext() const {
     return m_rareNonInheritedData->m_isStackingContext;
   }
   void setIsStackingContext(bool b) {
     SET_VAR(m_rareNonInheritedData, m_isStackingContext, b);
   }
 
   // A unique style is one that has matches something that makes it impossible
   // to share.
   bool unique() const { return m_nonInheritedData.m_unique; }
-  void setUnique(bool v) { m_nonInheritedData.m_unique = v; }
+  void setUnique() { m_nonInheritedData.m_unique = true; }
 
   float textAutosizingMultiplier() const {
     return m_styleInheritedData->textAutosizingMultiplier;
   }
   void setTextAutosizingMultiplier(float);
 
   bool selfOrAncestorHasDirAutoAttribute() const {
     return m_rareInheritedData->m_selfOrAncestorHasDirAutoAttribute;
   }
   void setSelfOrAncestorHasDirAutoAttribute(bool v) {
@@ skipping 1290 matching lines @@
   m_nonInheritedData.m_pseudoBits |= 1 << (pseudo - 1);
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const {
   return m_nonInheritedData.m_pseudoBits & ElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h