Revert "CSS Custom Properties (Variables)"

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

Index: third_party/WebKit/Source/core/style/ComputedStyle.cpp
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.cpp b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
index 2cfe368864871fa0ff9c64f8a2c15dfc50456082..222c33205baa930c3adfa2e98fbc00881dbdb0b1 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.cpp
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
@@ -1269,32 +1269,6 @@ const Vector<AppliedTextDecoration>& ComputedStyle::appliedTextDecorations() con
     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(); }