Delete StyleSheetList and support code.

sky/engine/core/css/StyleSheetList.cpp

Index: sky/engine/core/css/StyleSheetList.cpp
diff --git a/sky/engine/core/css/StyleSheetList.cpp b/sky/engine/core/css/StyleSheetList.cpp
deleted file mode 100644
index bc6a821b1638b4de564f2724c3bc33a67b39bb89..0000000000000000000000000000000000000000
--- a/sky/engine/core/css/StyleSheetList.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-/**
- * (C) 1999-2003 Lars Knoll (knoll@kde.org)
- * Copyright (C) 2004, 2006, 2007 Apple 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.
- */
-
-#include "sky/engine/config.h"
-#include "sky/engine/core/css/StyleSheetList.h"
-
-#include "sky/engine/core/dom/Document.h"
-#include "sky/engine/core/dom/StyleEngine.h"
-#include "sky/engine/core/html/HTMLStyleElement.h"
-#include "sky/engine/wtf/text/WTFString.h"
-
-namespace blink {
-
-StyleSheetList::StyleSheetList(TreeScope* treeScope)
-    : m_treeScope(treeScope)
-{
-}
-
-StyleSheetList::~StyleSheetList()
-{
-}
-
-inline const Vector<RefPtr<CSSStyleSheet> >& StyleSheetList::styleSheets()
-{
-#if !ENABLE(OILPAN)
-    if (!m_treeScope)
-        return m_detachedStyleSheets;
-#endif
-    return document()->styleEngine()->styleSheetsForStyleSheetList(*m_treeScope);
-}
-
-void StyleSheetList::detachFromDocument()
-{
-    m_detachedStyleSheets = document()->styleEngine()->styleSheetsForStyleSheetList(*m_treeScope);
-    m_treeScope = nullptr;
-}
-
-unsigned StyleSheetList::length()
-{
-    return styleSheets().size();
-}
-
-CSSStyleSheet* StyleSheetList::item(unsigned index)
-{
-    const Vector<RefPtr<CSSStyleSheet> >& sheets = styleSheets();
-    return index < sheets.size() ? sheets[index].get() : 0;
-}
-
-HTMLStyleElement* StyleSheetList::getNamedItem(const AtomicString& name) const
-{
-#if !ENABLE(OILPAN)
-    if (!m_treeScope)
-        return 0;
-#endif
-
-    // IE also supports retrieving a stylesheet by name, using the name/id of the <style> tag
-    // (this is consistent with all the other collections)
-    // ### Bad implementation because returns a single element (are IDs always unique?)
-    // and doesn't look for name attribute.
-    // But unicity of stylesheet ids is good practice anyway ;)
-    // FIXME: We should figure out if we should change this or fix the spec.
-    Element* element = m_treeScope->getElementById(name);
-    return isHTMLStyleElement(element) ? toHTMLStyleElement(element) : 0;
-}
-
-CSSStyleSheet* StyleSheetList::anonymousNamedGetter(const AtomicString& name)
-{
-    HTMLStyleElement* item = getNamedItem(name);
-    if (!item)
-        return 0;
-    return item->sheet();
-}
-
-} // namespace blink