Elements using @apply shouldn't use the MatchedPropertiesCache

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

Index: third_party/WebKit/Source/core/style/ComputedStyle.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.h b/third_party/WebKit/Source/core/style/ComputedStyle.h
index d3d6c3cbc6f2765e3b23196eafa193880783d325..feaafbaeccc21c3fa55011acd98964111b4e41f0 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -286,7 +286,7 @@ protected:
         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;