Remove <picture> and <source>.

sky/engine/core/html/HTMLSourceElement.h

Index: sky/engine/core/html/HTMLSourceElement.h
diff --git a/sky/engine/core/html/HTMLSourceElement.h b/sky/engine/core/html/HTMLSourceElement.h
deleted file mode 100644
index dc5320ff088c12cc2bf747b77e33e9c967ae258a..0000000000000000000000000000000000000000
--- a/sky/engine/core/html/HTMLSourceElement.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef HTMLSourceElement_h
-#define HTMLSourceElement_h
-
-#include "core/css/MediaQueryListListener.h"
-#include "core/html/HTMLElement.h"
-#include "platform/Timer.h"
-
-namespace blink {
-
-template<typename T> class EventSender;
-typedef EventSender<HTMLSourceElement> SourceEventSender;
-
-class HTMLSourceElement final : public HTMLElement {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    class Listener;
-
-    DECLARE_NODE_FACTORY(HTMLSourceElement);
-    virtual ~HTMLSourceElement();
-
-    const AtomicString& type() const;
-    void setSrc(const String&);
-    void setType(const AtomicString&);
-
-    void scheduleErrorEvent();
-    void cancelPendingErrorEvent();
-
-    void dispatchPendingEvent(SourceEventSender*);
-
-    bool mediaQueryMatches() const;
-
-    virtual void trace(Visitor*) override;
-
-private:
-    explicit HTMLSourceElement(Document&);
-
-    virtual InsertionNotificationRequest insertedInto(ContainerNode*) override;
-    virtual void removedFrom(ContainerNode*) override;
-    virtual bool isURLAttribute(const Attribute&) const override;
-    virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
-
-    void notifyMediaQueryChanged();
-
-    RefPtr<MediaQueryList> m_mediaQueryList;
-    RefPtr<Listener> m_listener;
-};
-
-} // namespace blink
-
-#endif // HTMLSourceElement_h