Setup parent stylesheet for tree boundary crossing rules.

Source/core/css/resolver/MatchRequest.h

Index: Source/core/css/resolver/MatchRequest.h
diff --git a/Source/core/css/resolver/MatchRequest.h b/Source/core/css/resolver/MatchRequest.h
index 199c906e5f023c2b2559f1b6d85630e08181ba15..242a2048cb9a168432d72b93224aafa0210ba501 100644
--- a/Source/core/css/resolver/MatchRequest.h
+++ b/Source/core/css/resolver/MatchRequest.h
@@ -33,13 +33,13 @@ class ContainerNode;
 class MatchRequest {
     STACK_ALLOCATED();
 public:
-    MatchRequest(RuleSet* ruleSet, bool includeEmptyRules = false, const ContainerNode* scope = 0, bool elementApplyAuthorStyles = true, unsigned styleSheetIndex = 0, const CSSStyleSheet* cssSheet = 0)
+    MatchRequest(RuleSet* ruleSet, bool includeEmptyRules = false, const ContainerNode* scope = 0, const CSSStyleSheet* cssSheet = 0, bool elementApplyAuthorStyles = true, unsigned styleSheetIndex = 0)
         : ruleSet(ruleSet)
         , includeEmptyRules(includeEmptyRules)
         , scope(scope)
+        , styleSheet(cssSheet)
         , elementApplyAuthorStyles(elementApplyAuthorStyles)
         , styleSheetIndex(styleSheetIndex)
-        , styleSheet(cssSheet)
     {
         // Now that we're about to read from the RuleSet, we're done adding more
         // rules to the set and we should make sure it's compacted.
@@ -49,9 +49,9 @@ public:
     RawPtrWillBeMember<const RuleSet> ruleSet;
     const bool includeEmptyRules;
     const ContainerNode* scope;
+    RawPtrWillBeMember<const CSSStyleSheet> styleSheet;
     const bool elementApplyAuthorStyles;
     const unsigned styleSheetIndex;
-    RawPtrWillBeMember<const CSSStyleSheet> styleSheet;
 };
 
 } // namespace WebCore