Basic implementation of @apply

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 137 matching lines @@
     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)
         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&)
 {
@@ skipping 251 matching lines @@
 }
 #endif
 
 DEFINE_TRACE(InlineCSSStyleDeclaration)
 {
     visitor->trace(m_parentElement);
     AbstractPropertySetCSSStyleDeclaration::trace(visitor);
 }
 
 } // namespace blink