Fold ScrollingCoordinatorChromium into ScrollingCoordinator and devirtualize

Source/WebCore/page/scrolling/ScrollingStateStickyNode.cpp

Index: Source/WebCore/page/scrolling/ScrollingStateStickyNode.cpp
diff --git a/Source/WebCore/page/scrolling/ScrollingStateStickyNode.cpp b/Source/WebCore/page/scrolling/ScrollingStateStickyNode.cpp
deleted file mode 100644
index d28ab8beeeac86bda6f9c5bc54be9ab753c7df63..0000000000000000000000000000000000000000
--- a/Source/WebCore/page/scrolling/ScrollingStateStickyNode.cpp
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2012 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.
- */
-
-#include "config.h"
-#include "ScrollingStateStickyNode.h"
-
-#include "GraphicsLayer.h"
-#include "ScrollingStateTree.h"
-#include "TextStream.h"
-#include <wtf/OwnPtr.h>
-
-#if ENABLE(THREADED_SCROLLING)
-
-namespace WebCore {
-
-PassOwnPtr<ScrollingStateStickyNode> ScrollingStateStickyNode::create(ScrollingStateTree* stateTree, ScrollingNodeID nodeID)
-{
-    return adoptPtr(new ScrollingStateStickyNode(stateTree, nodeID));
-}
-
-ScrollingStateStickyNode::ScrollingStateStickyNode(ScrollingStateTree* tree, ScrollingNodeID nodeID)
-    : ScrollingStateNode(tree, nodeID)
-{
-}
-
-ScrollingStateStickyNode::ScrollingStateStickyNode(const ScrollingStateStickyNode& node)
-    : ScrollingStateNode(node)
-    , m_constraints(StickyPositionViewportConstraints(node.viewportConstraints()))
-{
-}
-
-ScrollingStateStickyNode::~ScrollingStateStickyNode()
-{
-}
-
-PassOwnPtr<ScrollingStateNode> ScrollingStateStickyNode::clone()
-{
-    return adoptPtr(new ScrollingStateStickyNode(*this));
-}
-
-void ScrollingStateStickyNode::updateConstraints(const StickyPositionViewportConstraints& constraints)
-{
-    if (m_constraints == constraints)
-        return;
-
-    m_constraints = constraints;
-    setPropertyChanged(ViewportConstraints);
-    m_scrollingStateTree->setHasChangedProperties(true);
-}
-
-void ScrollingStateStickyNode::syncLayerPositionForViewportRect(const LayoutRect& viewportRect)
-{
-    FloatPoint position = m_constraints.layerPositionForViewportRect(viewportRect);
-    graphicsLayer()->syncPosition(position);
-}
-
-void ScrollingStateStickyNode::dumpProperties(TextStream& ts, int indent) const
-{
-    ts << "(" << "Sticky node" << "\n";
-
-    if (m_constraints.anchorEdges()) {
-        writeIndent(ts, indent + 1);
-        ts << "(anchor edges: ";
-        if (m_constraints.hasAnchorEdge(ViewportConstraints::AnchorEdgeLeft))
-            ts << "AnchorEdgeLeft ";
-        if (m_constraints.hasAnchorEdge(ViewportConstraints::AnchorEdgeRight))
-            ts << "AnchorEdgeRight ";
-        if (m_constraints.hasAnchorEdge(ViewportConstraints::AnchorEdgeTop))
-            ts << "AnchorEdgeTop ";
-        if (m_constraints.hasAnchorEdge(ViewportConstraints::AnchorEdgeBottom))
-            ts << "AnchorEdgeBottom";
-        ts << ")\n";
-    }
-
-    if (m_constraints.hasAnchorEdge(ViewportConstraints::AnchorEdgeLeft)) {
-        writeIndent(ts, indent + 1);
-        ts << "(left offset " << m_constraints.leftOffset() << ")\n";
-    }
-    if (m_constraints.hasAnchorEdge(ViewportConstraints::AnchorEdgeRight)) {
-        writeIndent(ts, indent + 1);
-        ts << "(right offset " << m_constraints.rightOffset() << ")\n";
-    }
-    if (m_constraints.hasAnchorEdge(ViewportConstraints::AnchorEdgeTop)) {
-        writeIndent(ts, indent + 1);
-        ts << "(top offset " << m_constraints.topOffset() << ")\n";
-    }
-    if (m_constraints.hasAnchorEdge(ViewportConstraints::AnchorEdgeBottom)) {
-        writeIndent(ts, indent + 1);
-        ts << "(bottom offset " << m_constraints.bottomOffset() << ")\n";
-    }
-
-    writeIndent(ts, indent + 1);
-    FloatRect r = m_constraints.absoluteContainingBlockRect();
-    ts << "(containing block rect " << r.x() << ", " << r.y() << " " << r.width() << " x " << r.height() << ")\n";
-
-    writeIndent(ts, indent + 1);
-    r = m_constraints.absoluteStickyBoxRect();
-    ts << "(sticky box rect " << r.x() << " " << r.y() << " " << r.width() << " " << r.height() << ")\n";
-
-    writeIndent(ts, indent + 1);
-    r = m_constraints.absoluteStickyBoxRect();
-    ts << "(sticky box rect " << r.x() << " " << r.y() << " " << r.width() << " " << r.height() << ")\n";
-
-    writeIndent(ts, indent + 1);
-    ts << "(sticky offset at last layout " << m_constraints.stickyOffsetAtLastLayout().width() << " " << m_constraints.stickyOffsetAtLastLayout().height() << ")\n";
-
-    writeIndent(ts, indent + 1);
-    ts << "(layer position at last layout " << m_constraints.layerPositionAtLastLayout().x() << " " << m_constraints.layerPositionAtLastLayout().y() << ")\n";
-}
-
-} // namespace WebCore
-
-#endif // ENABLE(THREADED_SCROLLING)