Removed ScrollingCoordinator and a bunch of composited scrolling'

sky/engine/core/page/scrolling/ScrollingCoordinator.h

Index: sky/engine/core/page/scrolling/ScrollingCoordinator.h
diff --git a/sky/engine/core/page/scrolling/ScrollingCoordinator.h b/sky/engine/core/page/scrolling/ScrollingCoordinator.h
deleted file mode 100644
index 23b63400309de3d2bd7b09079a7a07af896de8be..0000000000000000000000000000000000000000
--- a/sky/engine/core/page/scrolling/ScrollingCoordinator.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Copyright (C) 2011 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 ScrollingCoordinator_h
-#define ScrollingCoordinator_h
-
-#include "core/rendering/RenderObject.h"
-#include "platform/PlatformWheelEvent.h"
-#include "platform/geometry/IntRect.h"
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-class WebLayer;
-class WebScrollbarLayer;
-}
-
-namespace blink {
-
-class Document;
-class LocalFrame;
-class FrameView;
-class GraphicsLayer;
-class Page;
-class Region;
-class ScrollableArea;
-
-class ScrollingCoordinator {
-public:
-    ~ScrollingCoordinator();
-
-    static PassOwnPtr<ScrollingCoordinator> create(Page*);
-
-    void willBeDestroyed();
-
-    PassOwnPtr<blink::WebScrollbarLayer> createSolidColorScrollbarLayer(ScrollbarOrientation, int thumbThickness, int trackStart, bool isLeftSideVerticalScrollbar);
-
-    void willDestroyScrollableArea(ScrollableArea*);
-    // Returns true if the coordinator handled this change.
-    bool scrollableAreaScrollLayerDidChange(ScrollableArea*);
-    void scrollableAreaScrollbarLayerDidChange(ScrollableArea*, ScrollbarOrientation);
-    void willDestroyRenderLayer(RenderLayer*);
-
-    void updateScrollParentForGraphicsLayer(GraphicsLayer* child, RenderLayer* parent);
-    void updateClipParentForGraphicsLayer(GraphicsLayer* child, RenderLayer* parent);
-
-    // For testing purposes only. This ScrollingCoordinator is reused between layout test, and must be reset
-    // for the results to be valid.
-    void reset();
-
-protected:
-    explicit ScrollingCoordinator(Page*);
-
-    bool isForMainFrame(ScrollableArea*) const;
-
-    Page* m_page;
-
-private:
-    blink::WebScrollbarLayer* addWebScrollbarLayer(ScrollableArea*, ScrollbarOrientation, PassOwnPtr<blink::WebScrollbarLayer>);
-    blink::WebScrollbarLayer* getWebScrollbarLayer(ScrollableArea*, ScrollbarOrientation);
-    void removeWebScrollbarLayer(ScrollableArea*, ScrollbarOrientation);
-
-    typedef HashMap<ScrollableArea*, OwnPtr<blink::WebScrollbarLayer> > ScrollbarMap;
-    ScrollbarMap m_horizontalScrollbars;
-    ScrollbarMap m_verticalScrollbars;
-    HashSet<const RenderLayer*> m_layersWithTouchRects;
-};
-
-} // namespace blink
-
-#endif // ScrollingCoordinator_h