Remove ScrollableArea and Scrollbar

sky/engine/core/rendering/RenderLayer.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 68 matching lines @@
 namespace blink {
 
 RenderLayer::RenderLayer(RenderLayerModelObject* renderer, LayerType type)
     : m_layerType(type)
     , m_hasSelfPaintingLayerDescendant(false)
     , m_hasSelfPaintingLayerDescendantDirty(false)
     , m_isRootLayer(renderer->isRenderView())
     , m_usedTransparency(false)
     , m_3DTransformedDescendantStatusDirty(true)
     , m_has3DTransformedDescendant(false)
-    , m_containsDirtyOverlayScrollbars(false)
     , m_hasFilterInfo(false)
     , m_needsAncestorDependentCompositingInputsUpdate(true)
     , m_needsDescendantDependentCompositingInputsUpdate(true)
     , m_childNeedsCompositingInputsUpdate(true)
     , m_hasCompositingDescendant(false)
     , m_lostGroupedMapping(false)
     , m_renderer(renderer)
     , m_parent(0)
     , m_previous(0)
     , m_next(0)
@@ skipping 706 matching lines @@
         m_stackingNode = nullptr;
 }
 
 void RenderLayer::paint(GraphicsContext* context, const LayoutRect& damageRect, RenderObject* paintingRoot)
 {
     TRACE_EVENT0("blink", "RenderLayer::paint");
     LayerPaintingInfo paintingInfo(this, enclosingIntRect(damageRect), LayoutSize(), paintingRoot);
     paintLayer(context, paintingInfo, PaintContent);
 }
 
-void RenderLayer::paintOverlayScrollbars(GraphicsContext* context, const LayoutRect& damageRect, RenderObject* paintingRoot)
-{
-    if (!m_containsDirtyOverlayScrollbars)
-        return;
-
-    LayerPaintingInfo paintingInfo(this, enclosingIntRect(damageRect), LayoutSize(), paintingRoot);
-    paintLayer(context, paintingInfo, PaintOverlayScrollbars);
-
-    m_containsDirtyOverlayScrollbars = false;
-}
-
 static bool inContainingBlockChain(RenderLayer* startLayer, RenderLayer* endLayer)
 {
     if (startLayer == endLayer)
         return true;
 
     RenderView* view = startLayer->renderer()->view();
     for (RenderBlock* currentBlock = startLayer->renderer()->containingBlock(); currentBlock && currentBlock != view; currentBlock = currentBlock->containingBlock()) {
         if (currentBlock->layer() == endLayer)
             return true;
     }
@@ skipping 127 matching lines @@
     FilterEffectRendererHelper filterPainter(filterRenderer() && paintsWithFilters());
 
     LayoutRect layerBounds;
     // FIXME(sky): Remove foregroundRect. It's unused.
     ClipRect backgroundRect, foregroundRect, outlineRect;
     ClipRectsContext clipRectsContext(localPaintingInfo.rootLayer, PaintingClipRects, localPaintingInfo.subPixelAccumulation);
     clipper().calculateRects(clipRectsContext, localPaintingInfo.paintDirtyRect,
         layerBounds, backgroundRect, foregroundRect, outlineRect,
         &offsetFromRoot);
 
-    bool isPaintingOverlayScrollbars = paintFlags == PaintOverlayScrollbars;
-    bool shouldPaintContent = isSelfPaintingLayer() && !isPaintingOverlayScrollbars
-        && intersectsDamageRect(layerBounds, backgroundRect.rect(), localPaintingInfo.rootLayer, &offsetFromRoot);
+    bool shouldPaintContent = isSelfPaintingLayer() && intersectsDamageRect(layerBounds, backgroundRect.rect(), localPaintingInfo.rootLayer, &offsetFromRoot);
 
     bool haveTransparency = isTransparent();
 
     if (filterPainter.haveFilterEffect()) {
         ASSERT(this->filterInfo());
 
         if (!rootRelativeBoundsComputed)
             rootRelativeBounds = physicalBoundingBoxIncludingReflectionAndStackingChildren(paintingInfo.rootLayer, offsetFromRoot);
 
         if (filterPainter.prepareFilterEffect(this, rootRelativeBounds, paintingInfo.paintDirtyRect)) {
@@ skipping 810 matching lines @@
     }
 }
 
 void showLayerTree(const blink::RenderObject* renderer)
 {
     if (!renderer)
         return;
     showLayerTree(renderer->enclosingLayer());
 }
 #endif