Revert "CSS Custom Properties (Variables)"

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

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 1251 matching lines @@
         return empty;
     }
     if (inherited_flags.m_textUnderline) {
         DEFINE_STATIC_LOCAL(Vector<AppliedTextDecoration>, underline, (1, AppliedTextDecoration(TextDecorationUnderline)));
         return underline;
     }
 
     return rareInheritedData->appliedTextDecorations->vector();
 }
 
-StyleVariableData* ComputedStyle::variables() const
-{
-    ASSERT(RuntimeEnabledFeatures::cssVariablesEnabled());
-    return rareInheritedData->variables.get();
-}
-
-void ComputedStyle::setVariable(const AtomicString& name, PassRefPtr<CSSVariableData> value)
-{
-    RefPtr<StyleVariableData>& variables = rareInheritedData.access()->variables;
-    if (!variables)
-        variables = StyleVariableData::create();
-    else if (!variables->hasOneRef())
-        variables = variables->copy();
-    variables->setVariable(name, value);
-}
-
-void ComputedStyle::removeVariable(const AtomicString& name)
-{
-    RefPtr<StyleVariableData>& variables = rareInheritedData.access()->variables;
-    if (!variables)
-        return;
-    if (!variables->hasOneRef())
-        variables = variables->copy();
-    variables->removeVariable(name);
-}
-
 float ComputedStyle::wordSpacing() const { return fontDescription().wordSpacing(); }
 float ComputedStyle::letterSpacing() const { return fontDescription().letterSpacing(); }
 
 bool ComputedStyle::setFontDescription(const FontDescription& v)
 {
     if (inherited->font.fontDescription() != v) {
         inherited.access()->font = Font(v);
         return true;
     }
     return false;
@@ skipping 509 matching lines @@
 }
 
 void ComputedStyle::copyChildDependentFlagsFrom(const ComputedStyle& other)
 {
     setEmptyState(other.emptyState());
     if (other.hasExplicitlyInheritedProperties())
         setHasExplicitlyInheritedProperties();
 }
 
 } // namespace blink