Rename renderer() to layoutObject().

Source/core/paint/LayerPainter.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/paint/LayerPainter.h"
 
 #include "core/frame/Settings.h"
 #include "core/layout/ClipPathOperation.h"
 #include "core/layout/FilterEffectRenderer.h"
@@ skipping 16 matching lines @@
 #include "platform/graphics/paint/DisplayItemList.h"
 #include "platform/graphics/paint/Transform3DDisplayItem.h"
 
 namespace blink {
 
 static inline bool shouldSuppressPaintingLayer(Layer* layer)
 {
     // Avoid painting descendants of the root layer when stylesheets haven't loaded. This eliminates FOUC.
     // It's ok not to draw, because later on, when all the stylesheets do load, updateStyleSelector on the Document
     // will do a full paintInvalidationForWholeRenderer().
-    if (layer->renderer()->document().didLayoutWithPendingStylesheets() && !layer->isRootLayer() && !layer->renderer()->isDocumentElement())
+    if (layer->layoutObject()->document().didLayoutWithPendingStylesheets() && !layer->isRootLayer() && !layer->layoutObject()->isDocumentElement())
         return true;
 
     return false;
 }
 
 void LayerPainter::paint(GraphicsContext* context, const LayoutRect& damageRect, PaintBehavior paintBehavior, LayoutObject* paintingRoot, PaintLayerFlags paintFlags)
 {
     LayerPaintingInfo paintingInfo(&m_renderLayer, LayoutRect(enclosingIntRect(damageRect)), paintBehavior, LayoutSize(), paintingRoot);
     if (shouldPaintLayerInSoftwareMode(paintingInfo, paintFlags))
         paintLayer(context, paintingInfo, paintFlags);
@@ skipping 10 matching lines @@
     DisableCompositingQueryAsserts disabler;
 
     if (m_renderLayer.compositingState() != NotComposited) {
         if (paintingInfo.paintBehavior & PaintBehaviorFlattenCompositingLayers) {
             // FIXME: ok, but what about PaintBehaviorFlattenCompositingLayers? That's for printing.
             // FIXME: why isn't the code here global, as opposed to being set on each paintLayer() call?
             paintFlags |= PaintLayerUncachedClipRects;
         }
     }
 
-    // Non self-painting leaf layers don't need to be painted as their renderer() should properly paint itself.
+    // Non self-painting leaf layers don't need to be painted as their layoutObject() should properly paint itself.
     if (!m_renderLayer.isSelfPaintingLayer() && !m_renderLayer.hasSelfPaintingLayerDescendant())
         return;
 
     if (shouldSuppressPaintingLayer(&m_renderLayer))
         return;
 
     // If this layer is totally invisible then there is nothing to paint.
-    if (!m_renderLayer.renderer()->opacity())
+    if (!m_renderLayer.layoutObject()->opacity())
         return;
 
     if (m_renderLayer.paintsWithTransparency(paintingInfo.paintBehavior))
         paintFlags |= PaintLayerHaveTransparency;
 
     // PaintLayerAppliedTransform is used in LayoutReplica, to avoid applying the transform twice.
     if (m_renderLayer.paintsWithTransform(paintingInfo.paintBehavior) && !(paintFlags & PaintLayerAppliedTransform)) {
         paintLayerWithTransform(context, paintingInfo, paintFlags);
         return;
     }
@@ skipping 14 matching lines @@
     localPaintFlags |= PaintLayerPaintingCompositingAllPhases;
     paintLayerContents(context, paintingInfo, localPaintFlags, fragmentPolicy);
 }
 
 class ClipPathHelper {
 public:
     ClipPathHelper(GraphicsContext* context, const Layer& renderLayer, const LayerPaintingInfo& paintingInfo, LayoutRect& rootRelativeBounds, bool& rootRelativeBoundsComputed,
         const LayoutPoint& offsetFromRoot, PaintLayerFlags paintFlags)
         : m_resourceClipper(0), m_renderLayer(renderLayer), m_context(context)
     {
-        const LayoutStyle& style = renderLayer.renderer()->styleRef();
+        const LayoutStyle& style = renderLayer.layoutObject()->styleRef();
 
         // Clip-path, like border radius, must not be applied to the contents of a composited-scrolling container.
         // It must, however, still be applied to the mask layer, so that the compositor can properly mask the
         // scrolling contents and scrollbars.
-        if (!renderLayer.renderer()->hasClipPath() || (renderLayer.needsCompositedScrolling() && !(paintFlags & PaintLayerPaintingChildClippingMaskPhase)))
+        if (!renderLayer.layoutObject()->hasClipPath() || (renderLayer.needsCompositedScrolling() && !(paintFlags & PaintLayerPaintingChildClippingMaskPhase)))
             return;
 
         m_clipperState = LayoutSVGResourceClipper::ClipperNotApplied;
 
         ASSERT(style.clipPath());
         if (style.clipPath()->type() == ClipPathOperation::SHAPE) {
             ShapeClipPathOperation* clipPath = toShapeClipPathOperation(style.clipPath());
             if (clipPath->isValid()) {
                 if (!rootRelativeBoundsComputed) {
                     rootRelativeBounds = renderLayer.physicalBoundingBoxIncludingReflectionAndStackingChildren(paintingInfo.rootLayer, offsetFromRoot);
                     rootRelativeBoundsComputed = true;
                 }
-                m_clipPathRecorder = adoptPtr(new ClipPathRecorder(*context, renderLayer.renderer()->displayItemClient(),
+                m_clipPathRecorder = adoptPtr(new ClipPathRecorder(*context, renderLayer.layoutObject()->displayItemClient(),
                     clipPath->path(rootRelativeBounds), clipPath->windRule()));
             }
         } else if (style.clipPath()->type() == ClipPathOperation::REFERENCE) {
             ReferenceClipPathOperation* referenceClipPathOperation = toReferenceClipPathOperation(style.clipPath());
-            Document& document = renderLayer.renderer()->document();
+            Document& document = renderLayer.layoutObject()->document();
             // FIXME: It doesn't work with forward or external SVG references (https://bugs.webkit.org/show_bug.cgi?id=90405)
             Element* element = document.getElementById(referenceClipPathOperation->fragment());
-            if (isSVGClipPathElement(element) && element->renderer()) {
+            if (isSVGClipPathElement(element) && element->layoutObject()) {
                 if (!rootRelativeBoundsComputed) {
                     rootRelativeBounds = renderLayer.physicalBoundingBoxIncludingReflectionAndStackingChildren(paintingInfo.rootLayer, offsetFromRoot);
                     rootRelativeBoundsComputed = true;
                 }
 
-                m_resourceClipper = toLayoutSVGResourceClipper(toLayoutSVGResourceContainer(element->renderer()));
-                if (!m_resourceClipper->applyClippingToContext(renderLayer.renderer(), rootRelativeBounds,
+                m_resourceClipper = toLayoutSVGResourceClipper(toLayoutSVGResourceContainer(element->layoutObject()));
+                if (!m_resourceClipper->applyClippingToContext(renderLayer.layoutObject(), rootRelativeBounds,
                     paintingInfo.paintDirtyRect, context, m_clipperState)) {
                     // No need to post-apply the clipper if this failed.
                     m_resourceClipper = 0;
                 }
             }
         }
     }
 
     ~ClipPathHelper()
     {
         if (m_resourceClipper)
-            m_resourceClipper->postApplyStatefulResource(m_renderLayer.renderer(), m_context, m_clipperState);
+            m_resourceClipper->postApplyStatefulResource(m_renderLayer.layoutObject(), m_context, m_clipperState);
     }
 private:
     LayoutSVGResourceClipper* m_resourceClipper;
     OwnPtr<ClipPathRecorder> m_clipPathRecorder;
     LayoutSVGResourceClipper::ClipperState m_clipperState;
     const Layer& m_renderLayer;
     GraphicsContext* m_context;
 };
 
 void LayerPainter::paintLayerContents(GraphicsContext* context, const LayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags, FragmentPolicy fragmentPolicy)
@@ skipping 11 matching lines @@
     // the outline is painted in the background phase during composited scrolling.
     // If it were painted in the foreground phase, it would move with the scrolled
     // content. When not composited scrolling, the outline is painted in the
     // foreground phase. Since scrolled contents are moved by paint invalidation in this
     // case, the outline won't get 'dragged along'.
     bool shouldPaintOutline = isSelfPaintingLayer && !isPaintingOverlayScrollbars
         && ((isPaintingScrollingContent && isPaintingCompositedBackground)
         || (!isPaintingScrollingContent && isPaintingCompositedForeground));
     bool shouldPaintContent = m_renderLayer.hasVisibleContent() && isSelfPaintingLayer && !isPaintingOverlayScrollbars;
 
-    if (paintFlags & PaintLayerPaintingRootBackgroundOnly && !m_renderLayer.renderer()->isLayoutView() && !m_renderLayer.renderer()->isDocumentElement())
+    if (paintFlags & PaintLayerPaintingRootBackgroundOnly && !m_renderLayer.layoutObject()->isLayoutView() && !m_renderLayer.layoutObject()->isDocumentElement())
         return;
 
     // Ensure our lists are up-to-date.
     m_renderLayer.stackingNode()->updateLayerListsIfNeeded();
 
     LayoutPoint offsetFromRoot;
     m_renderLayer.convertToLayerCoords(paintingInfo.rootLayer, offsetFromRoot);
 
     if (m_renderLayer.compositingState() == PaintsIntoOwnBacking)
         offsetFromRoot.move(m_renderLayer.subpixelAccumulation());
 
     LayoutRect rootRelativeBounds;
     bool rootRelativeBoundsComputed = false;
 
     // These helpers output clip and compositing operations using a RAII pattern. Stack-allocated-varibles are destructed in the reverse order of construction,
     // so they are nested properly.
     ClipPathHelper clipPathHelper(context, m_renderLayer, paintingInfo, rootRelativeBounds, rootRelativeBoundsComputed, offsetFromRoot, paintFlags);
 
     OwnPtr<LayerClipRecorder> clipRecorder;
     OwnPtr<CompositingRecorder> compositingRecorder;
     // Blending operations must be performed only with the nearest ancestor stacking context.
     // Note that there is no need to composite if we're painting the root.
     // FIXME: this should be unified further into Layer::paintsWithTransparency().
-    bool shouldCompositeForBlendMode = (!m_renderLayer.renderer()->isDocumentElement() || m_renderLayer.renderer()->isSVGRoot()) && m_renderLayer.stackingNode()->isStackingContext() && m_renderLayer.hasNonIsolatedDescendantWithBlendMode();
+    bool shouldCompositeForBlendMode = (!m_renderLayer.layoutObject()->isDocumentElement() || m_renderLayer.layoutObject()->isSVGRoot()) && m_renderLayer.stackingNode()->isStackingContext() && m_renderLayer.hasNonIsolatedDescendantWithBlendMode();
     if (shouldCompositeForBlendMode || m_renderLayer.paintsWithTransparency(paintingInfo.paintBehavior)) {
-        clipRecorder = adoptPtr(new LayerClipRecorder(m_renderLayer.renderer(), context, DisplayItem::TransparencyClip,
+        clipRecorder = adoptPtr(new LayerClipRecorder(m_renderLayer.layoutObject(), context, DisplayItem::TransparencyClip,
             m_renderLayer.paintingExtent(paintingInfo.rootLayer, paintingInfo.paintDirtyRect, paintingInfo.subPixelAccumulation, paintingInfo.paintBehavior),
             &paintingInfo, LayoutPoint(), paintFlags));
 
-        compositingRecorder = adoptPtr(new CompositingRecorder(context, m_renderLayer.renderer()->displayItemClient(),
-            WebCoreCompositeToSkiaComposite(context->compositeOperationDeprecated(), m_renderLayer.renderer()->style()->blendMode()),
-            m_renderLayer.renderer()->opacity()));
+        compositingRecorder = adoptPtr(new CompositingRecorder(context, m_renderLayer.layoutObject()->displayItemClient(),
+            WebCoreCompositeToSkiaComposite(context->compositeOperationDeprecated(), m_renderLayer.layoutObject()->style()->blendMode()),
+            m_renderLayer.layoutObject()->opacity()));
     }
 
     LayerPaintingInfo localPaintingInfo(paintingInfo);
 
     LayerFragments layerFragments;
     if (shouldPaintContent || shouldPaintOutline || isPaintingOverlayScrollbars) {
         // Collect the fragments. This will compute the clip rectangles and paint offsets for each layer fragment.
         ClipRectsCacheSlot cacheSlot = (paintFlags & PaintLayerUncachedClipRects) ? UncachedClipRects : PaintingClipRects;
-        ShouldRespectOverflowClip respectOverflowClip = shouldRespectOverflowClip(paintFlags, m_renderLayer.renderer());
+        ShouldRespectOverflowClip respectOverflowClip = shouldRespectOverflowClip(paintFlags, m_renderLayer.layoutObject());
         if (fragmentPolicy == ForceSingleFragment)
             m_renderLayer.appendSingleFragmentIgnoringPagination(layerFragments, localPaintingInfo.rootLayer, localPaintingInfo.paintDirtyRect, cacheSlot, IgnoreOverlayScrollbarSize, respectOverflowClip, &offsetFromRoot, localPaintingInfo.subPixelAccumulation);
         else
             m_renderLayer.collectFragments(layerFragments, localPaintingInfo.rootLayer, localPaintingInfo.paintDirtyRect, cacheSlot, IgnoreOverlayScrollbarSize, respectOverflowClip, &offsetFromRoot, localPaintingInfo.subPixelAccumulation);
         if (shouldPaintContent)
             shouldPaintContent = atLeastOneFragmentIntersectsDamageRect(layerFragments, localPaintingInfo, paintFlags, offsetFromRoot);
     }
 
     bool selectionOnly = localPaintingInfo.paintBehavior & PaintBehaviorSelectionOnly;
     // If this layer's renderer is a child of the paintingRoot, we render unconditionally, which
     // is done by passing a nil paintingRoot down to our renderer (as if no paintingRoot was ever set).
     // Else, our renderer tree may or may not contain the painting root, so we pass that root along
     // so it will be tested against as we descend through the renderers.
     LayoutObject* paintingRootForRenderer = 0;
-    if (localPaintingInfo.paintingRoot && !m_renderLayer.renderer()->isDescendantOf(localPaintingInfo.paintingRoot))
+    if (localPaintingInfo.paintingRoot && !m_renderLayer.layoutObject()->isDescendantOf(localPaintingInfo.paintingRoot))
         paintingRootForRenderer = localPaintingInfo.paintingRoot;
 
     { // Begin block for the lifetime of any filter.
         FilterPainter filterPainter(m_renderLayer, context, offsetFromRoot, layerFragments.isEmpty() ? ClipRect() : layerFragments[0].backgroundRect, localPaintingInfo, paintFlags,
             rootRelativeBounds, rootRelativeBoundsComputed);
 
         ASSERT(!(localPaintingInfo.paintBehavior & PaintBehaviorForceBlackText));
 
         bool shouldPaintBackground = isPaintingCompositedBackground && shouldPaintContent && !selectionOnly;
         bool shouldPaintNegZOrderList = (isPaintingScrollingContent && isPaintingOverflowContents) || (!isPaintingScrollingContent && isPaintingCompositedBackground);
@@ skipping 23 matching lines @@
         if (shouldPaintOutline)
             paintOutlineForFragments(layerFragments, context, localPaintingInfo, paintBehavior, paintingRootForRenderer, paintFlags);
 
         if (shouldPaintNormalFlowAndPosZOrderLists)
             paintChildren(NormalFlowChildren | PositiveZOrderChildren, context, paintingInfo, paintFlags);
 
         if (shouldPaintOverlayScrollbars)
             paintOverflowControlsForFragments(layerFragments, context, localPaintingInfo, paintFlags);
     } // FilterPainter block
 
-    bool shouldPaintMask = (paintFlags & PaintLayerPaintingCompositingMaskPhase) && shouldPaintContent && m_renderLayer.renderer()->hasMask() && !selectionOnly;
+    bool shouldPaintMask = (paintFlags & PaintLayerPaintingCompositingMaskPhase) && shouldPaintContent && m_renderLayer.layoutObject()->hasMask() && !selectionOnly;
     bool shouldPaintClippingMask = (paintFlags & PaintLayerPaintingChildClippingMaskPhase) && shouldPaintContent && !selectionOnly;
 
     if (shouldPaintMask)
         paintMaskForFragments(layerFragments, context, localPaintingInfo, paintingRootForRenderer, paintFlags);
     if (shouldPaintClippingMask) {
         // Paint the border radius mask for the fragments.
         paintChildClippingMaskForFragments(layerFragments, context, localPaintingInfo, paintingRootForRenderer, paintFlags);
     }
 }
 
@@ skipping 31 matching lines @@
         return;
 
     // FIXME: We should make sure that we don't walk past paintingInfo.rootLayer here.
     // m_renderLayer may be the "root", and then we should avoid looking at its parent.
     Layer* parentLayer = m_renderLayer.parent();
 
     ClipRect ancestorBackgroundClipRect;
     if (parentLayer) {
         // Calculate the clip rectangle that the ancestors establish.
         ClipRectsContext clipRectsContext(paintingInfo.rootLayer, (paintFlags & PaintLayerUncachedClipRects) ? UncachedClipRects : PaintingClipRects, IgnoreOverlayScrollbarSize);
-        if (shouldRespectOverflowClip(paintFlags, m_renderLayer.renderer()) == IgnoreOverflowClip)
+        if (shouldRespectOverflowClip(paintFlags, m_renderLayer.layoutObject()) == IgnoreOverflowClip)
             clipRectsContext.setIgnoreOverflowClip();
         ancestorBackgroundClipRect = m_renderLayer.clipper().backgroundClipRect(clipRectsContext);
     }
 
     Layer* paginationLayer = m_renderLayer.enclosingPaginationLayer();
     LayerFragments fragments;
     if (paginationLayer) {
         // FIXME: This is a mess. Look closely at this code and the code in Layer and fix any
         // issues in it & refactor to make it obvious from code structure what it does and that it's
         // correct.
         ClipRectsCacheSlot cacheSlot = (paintFlags & PaintLayerUncachedClipRects) ? UncachedClipRects : PaintingClipRects;
-        ShouldRespectOverflowClip respectOverflowClip = shouldRespectOverflowClip(paintFlags, m_renderLayer.renderer());
+        ShouldRespectOverflowClip respectOverflowClip = shouldRespectOverflowClip(paintFlags, m_renderLayer.layoutObject());
         // Calculate the transformed bounding box in the current coordinate space, to figure out
         // which fragmentainers (e.g. columns) we need to visit.
         LayoutRect transformedExtent = Layer::transparencyClipBox(&m_renderLayer, paginationLayer, Layer::PaintingTransparencyClipBox, Layer::RootOfTransparencyClipBox, paintingInfo.subPixelAccumulation, paintingInfo.paintBehavior);
         // FIXME: we don't check if paginationLayer is within paintingInfo.rootLayer here.
         paginationLayer->collectFragments(fragments, paintingInfo.rootLayer, paintingInfo.paintDirtyRect, cacheSlot, IgnoreOverlayScrollbarSize, respectOverflowClip, 0, paintingInfo.subPixelAccumulation, &transformedExtent);
     } else {
         // We don't need to collect any fragments in the regular way here. We have already
         // calculated a clip rectangle for the ancestry if it was needed, and clipping this
         // layer is something that can be done further down the path, when the transform has
         // been applied.
         LayerFragment fragment;
         fragment.backgroundRect = paintingInfo.paintDirtyRect;
         fragments.append(fragment);
     }
 
     for (const auto& fragment: fragments) {
-        ScopeRecorder scopeRecorder(context, *m_renderLayer.renderer());
+        ScopeRecorder scopeRecorder(context, *m_renderLayer.layoutObject());
         OwnPtr<LayerClipRecorder> clipRecorder;
         if (parentLayer) {
             ClipRect clipRectForFragment(ancestorBackgroundClipRect);
             clipRectForFragment.moveBy(fragment.paginationOffset);
             clipRectForFragment.intersect(fragment.backgroundRect);
             if (clipRectForFragment.isEmpty())
                 continue;
             if (needsToClip(paintingInfo, clipRectForFragment))
-                clipRecorder = adoptPtr(new LayerClipRecorder(parentLayer->renderer(), context, DisplayItem::ClipLayerParent, clipRectForFragment, &paintingInfo, fragment.paginationOffset, paintFlags));
+                clipRecorder = adoptPtr(new LayerClipRecorder(parentLayer->layoutObject(), context, DisplayItem::ClipLayerParent, clipRectForFragment, &paintingInfo, fragment.paginationOffset, paintFlags));
         }
 
         paintFragmentByApplyingTransform(context, paintingInfo, paintFlags, fragment.paginationOffset);
     }
 }
 
 void LayerPainter::paintFragmentByApplyingTransform(GraphicsContext* context, const LayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags, const LayoutPoint& fragmentTranslation)
 {
     // This involves subtracting out the position of the layer in our current coordinate space, but preserving
     // the accumulated error for sub-pixel layout.
     LayoutPoint delta;
     m_renderLayer.convertToLayerCoords(paintingInfo.rootLayer, delta);
     delta.moveBy(fragmentTranslation);
     TransformationMatrix transform(m_renderLayer.renderableTransform(paintingInfo.paintBehavior));
     IntPoint roundedDelta = roundedIntPoint(delta);
     transform.translateRight(roundedDelta.x(), roundedDelta.y());
     LayoutSize adjustedSubPixelAccumulation = paintingInfo.subPixelAccumulation + (delta - roundedDelta);
 
-    Transform3DRecorder transform3DRecorder(*context, m_renderLayer.renderer()->displayItemClient(), transform);
+    Transform3DRecorder transform3DRecorder(*context, m_renderLayer.layoutObject()->displayItemClient(), transform);
 
     // Now do a paint with the root layer shifted to be us.
     LayerPaintingInfo transformedPaintingInfo(&m_renderLayer, LayoutRect(enclosingIntRect(transform.inverse().mapRect(paintingInfo.paintDirtyRect))), paintingInfo.paintBehavior,
         adjustedSubPixelAccumulation, paintingInfo.paintingRoot);
     paintLayerContentsAndReflection(context, transformedPaintingInfo, paintFlags, ForceSingleFragment);
 }
 
 void LayerPainter::paintChildren(unsigned childrenToVisit, GraphicsContext* context, const LayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags)
 {
     if (!m_renderLayer.hasSelfPaintingLayerDescendant())
@@ skipping 14 matching lines @@
         if (!child->layer()->isPaginated())
             childPainter.paintLayer(context, paintingInfo, paintFlags);
         else
             childPainter.paintPaginatedChildLayer(context, paintingInfo, paintFlags);
     }
 }
 
 // FIXME: inline this.
 static bool paintForFixedRootBackground(const Layer* layer, PaintLayerFlags paintFlags)
 {
-    return layer->renderer()->isDocumentElement() && (paintFlags & PaintLayerPaintingRootBackgroundOnly);
+    return layer->layoutObject()->isDocumentElement() && (paintFlags & PaintLayerPaintingRootBackgroundOnly);
 }
 
 bool LayerPainter::shouldPaintLayerInSoftwareMode(const LayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags)
 {
     DisableCompositingQueryAsserts disabler;
 
     return m_renderLayer.compositingState() == NotComposited
         || (paintingInfo.paintBehavior & PaintBehaviorFlattenCompositingLayers)
         || ((paintFlags & PaintLayerPaintingReflection) && !m_renderLayer.has3DTransform())
         || paintForFixedRootBackground(&m_renderLayer, paintFlags);
 }
 
 static inline LayoutSize subPixelAccumulationIfNeeded(const LayoutSize& subPixelAccumulation, CompositingState compositingState)
 {
     // Only apply the sub-pixel accumulation if we don't paint into our own backing layer, otherwise the position
     // of the renderer already includes any sub-pixel offset.
     if (compositingState == PaintsIntoOwnBacking)
         return LayoutSize();
     return subPixelAccumulation;
 }
 
 void LayerPainter::paintOverflowControlsForFragments(const LayerFragments& layerFragments, GraphicsContext* context, const LayerPaintingInfo& localPaintingInfo, PaintLayerFlags paintFlags)
 {
     for (size_t i = 0; i < layerFragments.size(); ++i) {
         const LayerFragment& fragment = layerFragments.at(i);
 
-        ScopeRecorder scopeRecorder(context, *m_renderLayer.renderer());
+        ScopeRecorder scopeRecorder(context, *m_renderLayer.layoutObject());
         OwnPtr<LayerClipRecorder> clipRecorder;
 
         if (needsToClip(localPaintingInfo, fragment.backgroundRect)) {
-            clipRecorder = adoptPtr(new LayerClipRecorder(m_renderLayer.renderer(), context, DisplayItem::ClipLayerOverflowControls, fragment.backgroundRect, &localPaintingInfo, fragment.paginationOffset, paintFlags));
+            clipRecorder = adoptPtr(new LayerClipRecorder(m_renderLayer.layoutObject(), context, DisplayItem::ClipLayerOverflowControls, fragment.backgroundRect, &localPaintingInfo, fragment.paginationOffset, paintFlags));
         }
         if (LayerScrollableArea* scrollableArea = m_renderLayer.scrollableArea())
             ScrollableAreaPainter(*scrollableArea).paintOverflowControls(context, roundedIntPoint(toPoint(fragment.layerBounds.location() - m_renderLayer.layoutBoxLocation() + subPixelAccumulationIfNeeded(localPaintingInfo.subPixelAccumulation, m_renderLayer.compositingState()))), pixelSnappedIntRect(fragment.backgroundRect.rect()), true);
     }
 }
 
 static bool checkContainingBlockChainForPagination(LayoutBoxModelObject* renderer, LayoutBox* ancestorColumnsRenderer)
 {
     LayoutView* view = renderer->view();
     LayoutBoxModelObject* prevBlock = renderer;
@@ skipping 14 matching lines @@
     // Otherwise we are paginated by the columns block.
     return true;
 }
 
 void LayerPainter::paintPaginatedChildLayer(GraphicsContext* context, const LayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags)
 {
     // We need to do multiple passes, breaking up our child layer into strips.
     Vector<Layer*> columnLayers;
     LayerStackingNode* ancestorNode = m_renderLayer.stackingNode()->isNormalFlowOnly() ? m_renderLayer.parent()->stackingNode() : m_renderLayer.stackingNode()->ancestorStackingContextNode();
     for (Layer* curr = m_renderLayer.parent(); curr; curr = curr->parent()) {
-        if (curr->renderer()->hasColumns() && checkContainingBlockChainForPagination(m_renderLayer.renderer(), curr->layoutBox()))
+        if (curr->layoutObject()->hasColumns() && checkContainingBlockChainForPagination(m_renderLayer.layoutObject(), curr->layoutBox()))
             columnLayers.append(curr);
         if (curr->stackingNode() == ancestorNode)
             break;
     }
 
     // It is possible for paintLayer() to be called after the child layer ceases to be paginated but before
     // updatePaginationRecusive() is called and resets the isPaginated() flag, see <rdar://problem/10098679>.
     // If this is the case, just bail out, since the upcoming call to updatePaginationRecusive() will paint invalidate the layer.
     // FIXME: Is this true anymore? This seems very suspicious.
     if (!columnLayers.size())
         return;
 
     paintChildLayerIntoColumns(context, paintingInfo, paintFlags, columnLayers, columnLayers.size() - 1);
 }
 
 void LayerPainter::paintChildLayerIntoColumns(GraphicsContext* context, const LayerPaintingInfo& paintingInfo,
     PaintLayerFlags paintFlags, const Vector<Layer*>& columnLayers, size_t colIndex)
 {
-    LayoutBlock* columnBlock = toLayoutBlock(columnLayers[colIndex]->renderer());
+    LayoutBlock* columnBlock = toLayoutBlock(columnLayers[colIndex]->layoutObject());
 
     ASSERT(columnBlock && columnBlock->hasColumns());
     if (!columnBlock || !columnBlock->hasColumns())
         return;
 
     LayoutPoint layerOffset;
     // FIXME: It looks suspicious to call convertToLayerCoords here
     // as canUseConvertToLayerCoords is true for this layer.
     columnBlock->layer()->convertToLayerCoords(paintingInfo.rootLayer, layerOffset);
 
@@ skipping 21 matching lines @@
         }
 
         colRect.moveBy(layerOffset);
 
         LayoutRect localDirtyRect(paintingInfo.paintDirtyRect);
         localDirtyRect.intersect(colRect);
 
         if (!localDirtyRect.isEmpty()) {
             // Each strip pushes a clip, since column boxes are specified as being
             // like overflow:hidden.
-            ClipRecorder clipRecorder(m_renderLayer.renderer()->displayItemClient(), context, DisplayItem::ClipLayerColumnBounds, LayoutRect(enclosingIntRect(colRect)));
+            ClipRecorder clipRecorder(m_renderLayer.layoutObject()->displayItemClient(), context, DisplayItem::ClipLayerColumnBounds, LayoutRect(enclosingIntRect(colRect)));
 
             if (!colIndex) {
                 // Apply a translation transform to change where the layer paints.
                 TransformationMatrix oldTransform;
                 bool oldHasTransform = m_renderLayer.transform();
                 if (oldHasTransform)
                     oldTransform = *m_renderLayer.transform();
                 TransformationMatrix newTransform(oldTransform);
                 newTransform.translateRight(roundToInt(offset.width()), roundToInt(offset.height()));
 
                 m_renderLayer.setTransform(adoptPtr(new TransformationMatrix(newTransform)));
 
                 LayerPaintingInfo localPaintingInfo(paintingInfo);
                 localPaintingInfo.paintDirtyRect = localDirtyRect;
                 paintLayer(context, localPaintingInfo, paintFlags);
 
                 if (oldHasTransform)
                     m_renderLayer.setTransform(adoptPtr(new TransformationMatrix(oldTransform)));
                 else
                     m_renderLayer.clearTransform();
             } else {
                 // Adjust the transform such that the renderer's upper left corner will paint at (0,0) in user space.
                 // This involves subtracting out the position of the layer in our current coordinate space.
                 LayoutPoint childOffset;
                 columnLayers[colIndex - 1]->convertToLayerCoords(paintingInfo.rootLayer, childOffset);
                 TransformationMatrix transform;
                 transform.translateRight(roundToInt(childOffset.x() + offset.width()), roundToInt(childOffset.y() + offset.height()));
 
-                Transform3DRecorder transform3DRecorder(*context, m_renderLayer.renderer()->displayItemClient(), transform);
+                Transform3DRecorder transform3DRecorder(*context, m_renderLayer.layoutObject()->displayItemClient(), transform);
 
                 // Now do a paint with the root layer shifted to be the next multicol block.
                 LayerPaintingInfo columnPaintingInfo(paintingInfo);
                 columnPaintingInfo.rootLayer = columnLayers[colIndex - 1];
                 columnPaintingInfo.paintDirtyRect = transform.inverse().mapRect(localDirtyRect);
                 paintChildLayerIntoColumns(context, columnPaintingInfo, paintFlags, columnLayers, colIndex - 1);
             }
         }
 
         // Move to the next position.
@@ skipping 15 matching lines @@
         case PaintPhaseBlockBackground: // Background painting will handle clipping to self.
         case PaintPhaseSelfOutline:
         case PaintPhaseMask: // Mask painting will handle clipping to self.
             clippingRule = LayerClipRecorder::DoNotIncludeSelfForBorderRadius;
             break;
         default:
             clippingRule = LayerClipRecorder::IncludeSelfForBorderRadius;
             break;
         }
 
-        clipRecorder = adoptPtr(new LayerClipRecorder(m_renderLayer.renderer(), context, clipType, clipRect, &paintingInfo, fragment.paginationOffset, paintFlags, clippingRule));
+        clipRecorder = adoptPtr(new LayerClipRecorder(m_renderLayer.layoutObject(), context, clipType, clipRect, &paintingInfo, fragment.paginationOffset, paintFlags, clippingRule));
     }
 
-    PaintInfo paintInfo(context, pixelSnappedIntRect(clipRect.rect()), phase, paintBehavior, paintingRootForRenderer, 0, paintingInfo.rootLayer->renderer());
-    m_renderLayer.renderer()->paint(paintInfo, toPoint(fragment.layerBounds.location() - m_renderLayer.layoutBoxLocation() + subPixelAccumulationIfNeeded(paintingInfo.subPixelAccumulation, m_renderLayer.compositingState())));
+    PaintInfo paintInfo(context, pixelSnappedIntRect(clipRect.rect()), phase, paintBehavior, paintingRootForRenderer, 0, paintingInfo.rootLayer->layoutObject());
+    m_renderLayer.layoutObject()->paint(paintInfo, toPoint(fragment.layerBounds.location() - m_renderLayer.layoutBoxLocation() + subPixelAccumulationIfNeeded(paintingInfo.subPixelAccumulation, m_renderLayer.compositingState())));
 }
 
 void LayerPainter::paintBackgroundForFragments(const LayerFragments& layerFragments, GraphicsContext* context,
     const LayoutRect& transparencyPaintDirtyRect, const LayerPaintingInfo& localPaintingInfo, PaintBehavior paintBehavior,
     LayoutObject* paintingRootForRenderer, PaintLayerFlags paintFlags)
 {
     for (const auto& fragment: layerFragments) {
-        ScopeRecorder scopeRecorder(context, *m_renderLayer.renderer());
+        ScopeRecorder scopeRecorder(context, *m_renderLayer.layoutObject());
         paintFragmentWithPhase(PaintPhaseBlockBackground, fragment, context, fragment.backgroundRect, localPaintingInfo, paintBehavior, paintingRootForRenderer, paintFlags, HasNotClipped);
     }
 }
 
 void LayerPainter::paintForegroundForFragments(const LayerFragments& layerFragments, GraphicsContext* context,
     const LayoutRect& transparencyPaintDirtyRect, const LayerPaintingInfo& localPaintingInfo, PaintBehavior paintBehavior,
     LayoutObject* paintingRootForRenderer, bool selectionOnly, PaintLayerFlags paintFlags)
 {
     // Optimize clipping for the single fragment case.
     bool shouldClip = localPaintingInfo.clipToDirtyRect && layerFragments.size() == 1 && !layerFragments[0].foregroundRect.isEmpty();
     ClipState clipState = HasNotClipped;
     OwnPtr<LayerClipRecorder> clipRecorder;
     if (shouldClip && needsToClip(localPaintingInfo, layerFragments[0].foregroundRect)) {
-        clipRecorder = adoptPtr(new LayerClipRecorder(m_renderLayer.renderer(), context, DisplayItem::ClipLayerForeground, layerFragments[0].foregroundRect, &localPaintingInfo, layerFragments[0].paginationOffset, paintFlags));
+        clipRecorder = adoptPtr(new LayerClipRecorder(m_renderLayer.layoutObject(), context, DisplayItem::ClipLayerForeground, layerFragments[0].foregroundRect, &localPaintingInfo, layerFragments[0].paginationOffset, paintFlags));
         clipState = HasClipped;
     }
 
     // We have to loop through every fragment multiple times, since we have to issue paint invalidations in each specific phase in order for
     // interleaving of the fragments to work properly.
     paintForegroundForFragmentsWithPhase(selectionOnly ? PaintPhaseSelection : PaintPhaseChildBlockBackgrounds, layerFragments,
         context, localPaintingInfo, paintBehavior, paintingRootForRenderer, paintFlags, clipState);
 
     if (!selectionOnly) {
         paintForegroundForFragmentsWithPhase(PaintPhaseFloat, layerFragments, context, localPaintingInfo, paintBehavior, paintingRootForRenderer, paintFlags, clipState);
         paintForegroundForFragmentsWithPhase(PaintPhaseForeground, layerFragments, context, localPaintingInfo, paintBehavior, paintingRootForRenderer, paintFlags, clipState);
         paintForegroundForFragmentsWithPhase(PaintPhaseChildOutlines, layerFragments, context, localPaintingInfo, paintBehavior, paintingRootForRenderer, paintFlags, clipState);
     }
 }
 
 void LayerPainter::paintForegroundForFragmentsWithPhase(PaintPhase phase, const LayerFragments& layerFragments, GraphicsContext* context,
     const LayerPaintingInfo& localPaintingInfo, PaintBehavior paintBehavior, LayoutObject* paintingRootForRenderer, PaintLayerFlags paintFlags, ClipState clipState)
 {
     for (const auto& fragment: layerFragments) {
         if (!fragment.foregroundRect.isEmpty()) {
-            ScopeRecorder scopeRecorder(context, *m_renderLayer.renderer());
+            ScopeRecorder scopeRecorder(context, *m_renderLayer.layoutObject());
             paintFragmentWithPhase(phase, fragment, context, fragment.foregroundRect, localPaintingInfo, paintBehavior, paintingRootForRenderer, paintFlags, clipState);
         }
     }
 }
 
 void LayerPainter::paintOutlineForFragments(const LayerFragments& layerFragments, GraphicsContext* context, const LayerPaintingInfo& localPaintingInfo,
     PaintBehavior paintBehavior, LayoutObject* paintingRootForRenderer, PaintLayerFlags paintFlags)
 {
     for (const auto& fragment: layerFragments) {
         if (!fragment.outlineRect.isEmpty()) {
-            ScopeRecorder scopeRecorder(context, *m_renderLayer.renderer());
+            ScopeRecorder scopeRecorder(context, *m_renderLayer.layoutObject());
             paintFragmentWithPhase(PaintPhaseSelfOutline, fragment, context, fragment.outlineRect, localPaintingInfo, paintBehavior, paintingRootForRenderer, paintFlags, HasNotClipped);
         }
     }
 }
 
 void LayerPainter::paintMaskForFragments(const LayerFragments& layerFragments, GraphicsContext* context, const LayerPaintingInfo& localPaintingInfo,
     LayoutObject* paintingRootForRenderer, PaintLayerFlags paintFlags)
 {
     for (const auto& fragment: layerFragments) {
-        ScopeRecorder scopeRecorder(context, *m_renderLayer.renderer());
+        ScopeRecorder scopeRecorder(context, *m_renderLayer.layoutObject());
         paintFragmentWithPhase(PaintPhaseMask, fragment, context, fragment.backgroundRect, localPaintingInfo, PaintBehaviorNormal, paintingRootForRenderer, paintFlags, HasNotClipped);
     }
 }
 
 void LayerPainter::paintChildClippingMaskForFragments(const LayerFragments& layerFragments, GraphicsContext* context, const LayerPaintingInfo& localPaintingInfo,
     LayoutObject* paintingRootForRenderer, PaintLayerFlags paintFlags)
 {
     for (const auto& fragment: layerFragments) {
-        ScopeRecorder scopeRecorder(context, *m_renderLayer.renderer());
+        ScopeRecorder scopeRecorder(context, *m_renderLayer.layoutObject());
         paintFragmentWithPhase(PaintPhaseClippingMask, fragment, context, fragment.foregroundRect, localPaintingInfo, PaintBehaviorNormal, paintingRootForRenderer, paintFlags, HasNotClipped);
     }
 }
 
 void LayerPainter::paintOverlayScrollbars(GraphicsContext* context, const LayoutRect& damageRect, PaintBehavior paintBehavior, LayoutObject* paintingRoot)
 {
     if (!m_renderLayer.containsDirtyOverlayScrollbars())
         return;
 
     LayerPaintingInfo paintingInfo(&m_renderLayer, LayoutRect(enclosingIntRect(damageRect)), paintBehavior, LayoutSize(), paintingRoot);
     paintLayer(context, paintingInfo, PaintLayerPaintingOverlayScrollbars);
 
     m_renderLayer.setContainsDirtyOverlayScrollbars(false);
 }
 
 } // namespace blink