Elements using @apply shouldn't use the MatchedPropertiesCache

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
  * License as published by the Free Software Foundation; either
@@ skipping 253 matching lines @@
 
         // 32 bits
 
         unsigned m_breakBefore : 4; // EBreak
         unsigned m_breakAfter : 4; // EBreak
         unsigned m_breakInside : 2; // EBreak
 
         unsigned m_styleType : 6; // PseudoId
         unsigned m_pseudoBits : 8;
         unsigned m_explicitInheritance : 1; // Explicitly inherits a non-inherited property
-        unsigned m_variableReference : 1; // A non-inherited property references a variable.
+        unsigned m_variableReference : 1; // A non-inherited property references a variable or @apply is used.
         unsigned m_unique : 1; // Style can not be shared.
 
         unsigned m_emptyState : 1;
 
         unsigned m_affectedByFocus : 1;
         unsigned m_affectedByHover : 1;
         unsigned m_affectedByActive : 1;
         unsigned m_affectedByDrag : 1;
 
         // 64 bits
@@ skipping 2269 matching lines @@
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const
 {
     return m_nonInheritedData.m_pseudoBits & ElementPseudoIdMask;
 }
 
 } // namespace blink
 
 #endif // ComputedStyle_h