[WIP] do something :-)

Source/core/css/RuleSet.h

Index: Source/core/css/RuleSet.h
diff --git a/Source/core/css/RuleSet.h b/Source/core/css/RuleSet.h
index 7945aa03c6de7d380049d58b653bd94afdf580eb..54a2492d33642911ec75e3c943ada551e0c00564 100644
--- a/Source/core/css/RuleSet.h
+++ b/Source/core/css/RuleSet.h
@@ -109,16 +109,6 @@ private:
     unsigned m_descendantSelectorIdentifierHashes[maximumIdentifierCount];
 };
 
-struct SameSizeAsRuleData {
-    DISALLOW_ALLOCATION();
-    void* a;
-    unsigned b;
-    unsigned c;
-    unsigned d[4];
-};
-
-static_assert(sizeof(RuleData) == sizeof(SameSizeAsRuleData), "RuleData should stay small");
-
 class CORE_EXPORT RuleSet : public NoBaseWillBeGarbageCollectedFinalized<RuleSet> {
     WTF_MAKE_NONCOPYABLE(RuleSet);
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(RuleSet);