Revert of Delete AuthorStyleInfo and move its data into ComputedStyle.RareNonInheritedData.

Source/core/css/resolver/StyleResolver.h

Index: Source/core/css/resolver/StyleResolver.h
diff --git a/Source/core/css/resolver/StyleResolver.h b/Source/core/css/resolver/StyleResolver.h
index 3a150d124da1c85763aef3c2bc9030904c226565..b65a58b6f95b2bab8831842c89f306f227d3390c 100644
--- a/Source/core/css/resolver/StyleResolver.h
+++ b/Source/core/css/resolver/StyleResolver.h
@@ -36,6 +36,7 @@
 #include "core/css/resolver/StyleBuilder.h"
 #include "core/css/resolver/StyleResolverStats.h"
 #include "core/css/resolver/StyleResourceLoader.h"
+#include "core/style/AuthorStyleInfo.h"
 #include "core/style/CachedUAStyle.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Deque.h"
@@ -190,6 +191,8 @@
     // FIXME: This should probably go away, folded into FontBuilder.
     void updateFont(StyleResolverState&);
 
+    static AuthorStyleInfo authorStyleInfo(StyleResolverState&);
+
     void loadPendingResources(StyleResolverState&);
     void adjustComputedStyle(StyleResolverState&, Element*);
 
@@ -217,8 +220,6 @@
     void applyAllProperty(StyleResolverState&, CSSValue*, bool inheritedOnly);
 
     bool pseudoStyleForElementInternal(Element&, const PseudoStyleRequest&, const ComputedStyle* parentStyle, StyleResolverState&);
-    bool hasAuthorBackground(const StyleResolverState&);
-    bool hasAuthorBorder(const StyleResolverState&);
 
     PassRefPtrWillBeRawPtr<PseudoElement> createPseudoElement(Element* parent, PseudoId);