Make CSSRuleSourceData use the CSSRule Type enum

Source/core/css/CSSPropertySourceData.h

Index: Source/core/css/CSSPropertySourceData.h
diff --git a/Source/core/css/CSSPropertySourceData.h b/Source/core/css/CSSPropertySourceData.h
index 2c473a257a01a8cf78c06a4ef12b5d632d20b18f..cef6b39a0a7f9972849c5c9c9c612c150168f483 100644
--- a/Source/core/css/CSSPropertySourceData.h
+++ b/Source/core/css/CSSPropertySourceData.h
@@ -31,6 +31,7 @@
 #ifndef CSSPropertySourceData_h
 #define CSSPropertySourceData_h
 
+#include "core/css/StyleRule.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/RefCounted.h"
@@ -117,41 +118,23 @@ typedef WillBeHeapVector<RefPtrWillBeMember<CSSRuleSourceData> > RuleSourceDataL
 typedef WillBeHeapVector<SourceRange> SelectorRangeList;
 
 struct CSSRuleSourceData : public RefCountedWillBeGarbageCollected<CSSRuleSourceData> {
-    enum Type {
-        UNKNOWN_RULE,
-        STYLE_RULE,
-        CHARSET_RULE,
-        IMPORT_RULE,
-        MEDIA_RULE,
-        FONT_FACE_RULE,
-        PAGE_RULE,
-        KEYFRAMES_RULE,
-        VIEWPORT_RULE,
-        SUPPORTS_RULE,
-    };
-
-    static PassRefPtrWillBeRawPtr<CSSRuleSourceData> create(Type type)
+    static PassRefPtrWillBeRawPtr<CSSRuleSourceData> create(StyleRule::Type type)
     {
         return adoptRefWillBeNoop(new CSSRuleSourceData(type));
     }
 
-    static PassRefPtrWillBeRawPtr<CSSRuleSourceData> createUnknown()
-    {
-        return adoptRefWillBeNoop(new CSSRuleSourceData(UNKNOWN_RULE));
-    }
-
-    CSSRuleSourceData(Type type)
+    CSSRuleSourceData(StyleRule::Type type)
         : type(type)
     {
-        if (type == STYLE_RULE || type == FONT_FACE_RULE || type == PAGE_RULE)
+        if (type == StyleRule::Style || type == StyleRule::FontFace || type == StyleRule::Page)
             styleSourceData = CSSStyleSourceData::create();
-        if (type == MEDIA_RULE || type == IMPORT_RULE)
+        if (type == StyleRule::Media || type == StyleRule::Import)
             mediaSourceData = CSSMediaSourceData::create();
     }
 
     DECLARE_TRACE();
 
-    Type type;
+    StyleRule::Type type;
 
     // Range of the selector list in the enclosing source.
     SourceRange ruleHeaderRange;