Merge all StyleSheetCollections.

sky/engine/core/dom/ShadowTreeStyleSheetCollection.h

Index: sky/engine/core/dom/ShadowTreeStyleSheetCollection.h
diff --git a/sky/engine/core/dom/ShadowTreeStyleSheetCollection.h b/sky/engine/core/dom/ShadowTreeStyleSheetCollection.h
deleted file mode 100644
index dcd8d6745fdb01fc0fbab28f1c050a5552b94499..0000000000000000000000000000000000000000
--- a/sky/engine/core/dom/ShadowTreeStyleSheetCollection.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
- * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
- * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
- * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef SKY_ENGINE_CORE_DOM_SHADOWTREESTYLESHEETCOLLECTION_H_
-#define SKY_ENGINE_CORE_DOM_SHADOWTREESTYLESHEETCOLLECTION_H_
-
-#include "sky/engine/core/dom/TreeScopeStyleSheetCollection.h"
-
-namespace blink {
-
-class ShadowRoot;
-class StyleSheetCollection;
-class StyleEngine;
-
-class ShadowTreeStyleSheetCollection final : public TreeScopeStyleSheetCollection {
-    WTF_MAKE_NONCOPYABLE(ShadowTreeStyleSheetCollection);
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    explicit ShadowTreeStyleSheetCollection(ShadowRoot&);
-
-    void updateActiveStyleSheets(StyleEngine*);
-
-private:
-    void collectStyleSheets(StyleEngine*, StyleSheetCollection&);
-};
-
-}
-
-#endif  // SKY_ENGINE_CORE_DOM_SHADOWTREESTYLESHEETCOLLECTION_H_
-