Remove CSSVariables RuntimeEnabledFeatures flag (status=stable)

third_party/WebKit/Source/core/css/PropertySetCSSStyleDeclaration.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Research In Motion Limited. 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 141 matching lines @@
 unsigned AbstractPropertySetCSSStyleDeclaration::length() const
 {
     return propertySet().propertyCount();
 }
 
 String AbstractPropertySetCSSStyleDeclaration::item(unsigned i) const
 {
     if (i >= propertySet().propertyCount())
         return "";
     StylePropertySet::PropertyReference property = propertySet().propertyAt(i);
-    if (RuntimeEnabledFeatures::cssVariablesEnabled() && property.id() == CSSPropertyVariable)
+    if (property.id() == CSSPropertyVariable)
         return toCSSCustomPropertyDeclaration(property.value()).name();
     if (property.id() == CSSPropertyApplyAtRule)
         return "@apply";
     return getPropertyName(property.id());
 }
 
 String AbstractPropertySetCSSStyleDeclaration::cssText() const
 {
     return propertySet().asText();
 }
 
 void AbstractPropertySetCSSStyleDeclaration::setCSSText(const String& text, ExceptionState&)
 {
     StyleAttributeMutationScope mutationScope(this);
     willMutate();
 
     propertySet().parseDeclarationList(text, contextStyleSheet());
 
     didMutate(PropertyChanged);
 
     mutationScope.enqueueMutationRecord();
 }
 
 String AbstractPropertySetCSSStyleDeclaration::getPropertyValue(const String& propertyName)
 {
     CSSPropertyID propertyID = cssPropertyID(propertyName);
     if (!propertyID) {
-        if (!RuntimeEnabledFeatures::cssVariablesEnabled() || !CSSVariableParser::isValidVariableName(propertyName))
+        if (!CSSVariableParser::isValidVariableName(propertyName))
             return String();
         return propertySet().getPropertyValue(AtomicString(propertyName));
     }
     return propertySet().getPropertyValue(propertyID);
 }
 
 String AbstractPropertySetCSSStyleDeclaration::getPropertyPriority(const String& propertyName)
 {
     bool important = false;
     CSSPropertyID propertyID = cssPropertyID(propertyName);
     if (!propertyID) {
-        if (!RuntimeEnabledFeatures::cssVariablesEnabled() || !CSSVariableParser::isValidVariableName(propertyName))
+        if (!CSSVariableParser::isValidVariableName(propertyName))
             return String();
         important = propertySet().propertyIsImportant(AtomicString(propertyName));
     } else {
         important = propertySet().propertyIsImportant(propertyID);
     }
     return important ? "important" : "";
 }
 
 String AbstractPropertySetCSSStyleDeclaration::getPropertyShorthand(const String& propertyName)
 {
@@ skipping 17 matching lines @@
     // Custom properties don't have shorthands, so we can ignore them here.
     if (!propertyID)
         return false;
     return propertySet().isPropertyImplicit(propertyID);
 }
 
 void AbstractPropertySetCSSStyleDeclaration::setProperty(const String& propertyName, const String& value, const String& priority, ExceptionState& exceptionState)
 {
     CSSPropertyID propertyID = unresolvedCSSPropertyID(propertyName);
     if (!propertyID) {
-        if (!RuntimeEnabledFeatures::cssVariablesEnabled() || !CSSVariableParser::isValidVariableName(propertyName))
+        if (!CSSVariableParser::isValidVariableName(propertyName))
             return;
         propertyID = CSSPropertyVariable;
     }
 
     bool important = equalIgnoringCase(priority, "important");
     if (!important && !priority.isEmpty())
         return;
 
     setPropertyInternal(propertyID, propertyName, value, important, exceptionState);
 }
 
 String AbstractPropertySetCSSStyleDeclaration::removeProperty(const String& propertyName, ExceptionState& exceptionState)
 {
     CSSPropertyID propertyID = cssPropertyID(propertyName);
     if (!propertyID) {
-        if (!RuntimeEnabledFeatures::cssVariablesEnabled() || !CSSVariableParser::isValidVariableName(propertyName))
+        if (!CSSVariableParser::isValidVariableName(propertyName))
             return String();
         propertyID = CSSPropertyVariable;
     }
 
     StyleAttributeMutationScope mutationScope(this);
     willMutate();
 
     String result;
     bool changed = false;
     if (propertyID == CSSPropertyVariable)
@@ skipping 124 matching lines @@
     return m_parentElement ? &m_parentElement->document().elementSheet() : nullptr;
 }
 
 DEFINE_TRACE(InlineCSSStyleDeclaration)
 {
     visitor->trace(m_parentElement);
     AbstractPropertySetCSSStyleDeclaration::trace(visitor);
 }
 
 } // namespace blink