Merge StyleSheet into CSSStyleSheet.

sky/engine/core/dom/StyleSheetCollection.h

Index: sky/engine/core/dom/StyleSheetCollection.h
diff --git a/sky/engine/core/dom/StyleSheetCollection.h b/sky/engine/core/dom/StyleSheetCollection.h
index eba3c0d25f70c7bfff2936db8853df3494f6f46f..dfb7e7ebcf31057d7e871a419da95e40552a2c43 100644
--- a/sky/engine/core/dom/StyleSheetCollection.h
+++ b/sky/engine/core/dom/StyleSheetCollection.h
@@ -36,7 +36,6 @@
 namespace blink {
 
 class CSSStyleSheet;
-class StyleSheet;
 
 class StyleSheetCollection {
     WTF_MAKE_NONCOPYABLE(StyleSheetCollection);
@@ -49,18 +48,18 @@ public:
     virtual ~StyleSheetCollection();
 
     Vector<RefPtr<CSSStyleSheet> >& activeAuthorStyleSheets() { return m_activeAuthorStyleSheets; }
-    Vector<RefPtr<StyleSheet> >& styleSheetsForStyleSheetList() { return m_styleSheetsForStyleSheetList; }
+    Vector<RefPtr<CSSStyleSheet> >& styleSheetsForStyleSheetList() { return m_styleSheetsForStyleSheetList; }
     const Vector<RefPtr<CSSStyleSheet> >& activeAuthorStyleSheets() const { return m_activeAuthorStyleSheets; }
-    const Vector<RefPtr<StyleSheet> >& styleSheetsForStyleSheetList() const { return m_styleSheetsForStyleSheetList; }
+    const Vector<RefPtr<CSSStyleSheet> >& styleSheetsForStyleSheetList() const { return m_styleSheetsForStyleSheetList; }
 
     void swap(StyleSheetCollection&);
-    void swapSheetsForSheetList(Vector<RefPtr<StyleSheet> >&);
+    void swapSheetsForSheetList(Vector<RefPtr<CSSStyleSheet> >&);
     void appendActiveStyleSheets(const Vector<RefPtr<CSSStyleSheet> >&);
     void appendActiveStyleSheet(CSSStyleSheet*);
-    void appendSheetForList(StyleSheet*);
+    void appendSheetForList(CSSStyleSheet*);
 
 protected:
-    Vector<RefPtr<StyleSheet> > m_styleSheetsForStyleSheetList;
+    Vector<RefPtr<CSSStyleSheet> > m_styleSheetsForStyleSheetList;
     Vector<RefPtr<CSSStyleSheet> > m_activeAuthorStyleSheets;
 };