Delete RenderLayerModelObject.

sky/engine/core/rendering/RenderLayerModelObject.cpp

Index: sky/engine/core/rendering/RenderLayerModelObject.cpp
diff --git a/sky/engine/core/rendering/RenderLayerModelObject.cpp b/sky/engine/core/rendering/RenderLayerModelObject.cpp
deleted file mode 100644
index 27943e538445d610a9a004f2e34cc5e7f23753e5..0000000000000000000000000000000000000000
--- a/sky/engine/core/rendering/RenderLayerModelObject.cpp
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
- *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
- * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
- * Copyright (C) 2010, 2012 Google 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/rendering/RenderLayerModelObject.h"
-
-#include "sky/engine/core/frame/LocalFrame.h"
-#include "sky/engine/core/rendering/RenderLayer.h"
-#include "sky/engine/core/rendering/RenderView.h"
-
-namespace blink {
-
-RenderLayerModelObject::RenderLayerModelObject(ContainerNode* node)
-    : RenderObject(node)
-{
-}
-
-RenderLayerModelObject::~RenderLayerModelObject()
-{
-    // Our layer should have been destroyed and cleared by now
-    ASSERT(!hasLayer());
-    ASSERT(!m_layer);
-}
-
-void RenderLayerModelObject::destroyLayer()
-{
-    setHasLayer(false);
-    m_layer = nullptr;
-}
-
-void RenderLayerModelObject::createLayer(LayerType type)
-{
-    ASSERT(!m_layer);
-    m_layer = adoptPtr(new RenderLayer(this, type));
-    setHasLayer(true);
-    m_layer->insertOnlyThisLayer();
-}
-
-bool RenderLayerModelObject::hasSelfPaintingLayer() const
-{
-    return m_layer && m_layer->isSelfPaintingLayer();
-}
-
-void RenderLayerModelObject::collectSelfPaintingLayers(Vector<RenderBox*>& layers)
-{
-    for (RenderObject* child = slowFirstChild(); child; child = child->nextSibling()) {
-        if (child->isBox()) {
-            RenderBox* childBox = toRenderBox(child);
-            if (childBox->hasSelfPaintingLayer())
-                layers.append(childBox);
-            else
-                childBox->collectSelfPaintingLayers(layers);
-        } else if (child->isLayerModelObject()) {
-            toRenderLayerModelObject(child)->collectSelfPaintingLayers(layers);
-        }
-    }
-}
-
-void RenderLayerModelObject::willBeDestroyed()
-{
-    RenderObject::willBeDestroyed();
-    destroyLayer();
-}
-
-void RenderLayerModelObject::styleWillChange(StyleDifference diff, const RenderStyle& newStyle)
-{
-    if (RenderStyle* oldStyle = style()) {
-        if (parent()) {
-            if (oldStyle->hasAutoClip() != newStyle.hasAutoClip()
-                || oldStyle->clip() != newStyle.clip())
-                layer()->clipper().clearClipRectsIncludingDescendants();
-        }
-    }
-
-    RenderObject::styleWillChange(diff, newStyle);
-}
-
-void RenderLayerModelObject::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
-{
-    bool hadTransform = hasTransform();
-
-    RenderObject::styleDidChange(diff, oldStyle);
-    updateFromStyle();
-
-    LayerType type = layerTypeRequired();
-    if (type != NoLayer) {
-        if (!layer()) {
-            createLayer(type);
-            if (parent() && !needsLayout()) {
-                // FIXME: We should call a specialized version of this function.
-                layer()->updateLayerPositionsAfterLayout();
-            }
-        }
-    } else if (layer() && layer()->parent()) {
-        setHasTransform(false); // Either a transform wasn't specified or the object doesn't support transforms, so just null out the bit.
-        layer()->removeOnlyThisLayer(); // calls destroyLayer() which clears m_layer
-        if (hadTransform)
-            setNeedsLayoutAndPrefWidthsRecalc();
-    }
-
-    if (layer()) {
-        // FIXME: Ideally we shouldn't need this setter but we can't easily infer an overflow-only layer
-        // from the style.
-        layer()->setLayerType(type);
-        layer()->styleChanged(diff, oldStyle);
-    }
-}
-
-} // namespace blink
-