Implement FullScreen using top layer.

third_party/WebKit/Source/core/layout/LayoutFullScreen.h

Index: third_party/WebKit/Source/core/layout/LayoutFullScreen.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutFullScreen.h b/third_party/WebKit/Source/core/layout/LayoutFullScreen.h
deleted file mode 100644
index 66a0dbd9c827dbb9021fcbb01305bfdb01e6c398..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/layout/LayoutFullScreen.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 LayoutFullScreen_h
-#define LayoutFullScreen_h
-
-#include "core/CoreExport.h"
-#include "core/layout/LayoutFlexibleBox.h"
-#include "core/style/StyleInheritedData.h"
-
-namespace blink {
-
-class CORE_EXPORT LayoutFullScreen final : public LayoutFlexibleBox {
-public:
-    static LayoutFullScreen* createAnonymous(Document*);
-
-    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectLayoutFullScreen || LayoutFlexibleBox::isOfType(type); }
-    const char* name() const override { return "LayoutFullScreen"; }
-
-    void setPlaceholder(LayoutBlock*);
-    LayoutBlock* placeholder() { return m_placeholder; }
-    void createPlaceholder(PassRefPtr<ComputedStyle>, const LayoutRect& frameRect);
-
-
-    static LayoutObject* wrapLayoutObject(LayoutObject*, LayoutObject*, Document*);
-    void unwrapLayoutObject();
-
-    void updateStyle();
-
-private:
-    LayoutFullScreen();
-    void willBeDestroyed() override;
-
-protected:
-    LayoutBlock* m_placeholder;
-};
-
-DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutFullScreen, isLayoutFullScreen());
-
-}
-
-#endif