Remove OverlayScrollbarSizeRelevancy.

sky/engine/core/rendering/RenderLayer.cpp

Index: sky/engine/core/rendering/RenderLayer.cpp
diff --git a/sky/engine/core/rendering/RenderLayer.cpp b/sky/engine/core/rendering/RenderLayer.cpp
index df9432662546d06e73279d545cf8ead4a7f568bf..be9337024d50b6a4bc1016b80eef8534e3bd580c 100644
--- a/sky/engine/core/rendering/RenderLayer.cpp
+++ b/sky/engine/core/rendering/RenderLayer.cpp
@@ -1214,7 +1214,7 @@ void RenderLayer::paintLayer(GraphicsContext* context, const LayerPaintingInfo&
         // Make sure the parent's clip rects have been calculated.
         ClipRect clipRect = paintingInfo.paintDirtyRect;
         if (parent()) {
-            ClipRectsContext clipRectsContext(paintingInfo.rootLayer, (paintFlags & PaintLayerUncachedClipRects) ? UncachedClipRects : PaintingClipRects, IgnoreOverlayScrollbarSize);
+            ClipRectsContext clipRectsContext(paintingInfo.rootLayer, (paintFlags & PaintLayerUncachedClipRects) ? UncachedClipRects : PaintingClipRects);
             if (shouldRespectOverflowClip(paintFlags, renderer()) == IgnoreOverflowClip)
                 clipRectsContext.setIgnoreOverflowClip();
             clipRect = clipper().backgroundClipRect(clipRectsContext);
@@ -1329,7 +1329,7 @@ void RenderLayer::paintLayerContents(GraphicsContext* context, const LayerPainti
         // Collect the fragments. This will compute the clip rectangles and paint offsets for each layer fragment, as well as whether or not the content of each
         // fragment should paint.
         collectFragments(layerFragments, localPaintingInfo.rootLayer, localPaintingInfo.paintDirtyRect,
-            (paintFlags & PaintLayerUncachedClipRects) ? UncachedClipRects : PaintingClipRects, IgnoreOverlayScrollbarSize,
+            (paintFlags & PaintLayerUncachedClipRects) ? UncachedClipRects : PaintingClipRects,
             shouldRespectOverflowClip(paintFlags, renderer()), &offsetFromRoot, localPaintingInfo.subPixelAccumulation);
         updatePaintingInfoForFragments(layerFragments, localPaintingInfo, paintFlags, shouldPaintContent, &offsetFromRoot);
     }
@@ -1515,12 +1515,12 @@ void RenderLayer::paintChildren(unsigned childrenToVisit, GraphicsContext* conte
 }
 
 void RenderLayer::collectFragments(LayerFragments& fragments, const RenderLayer* rootLayer, const LayoutRect& dirtyRect,
-    ClipRectsCacheSlot clipRectsCacheSlot, OverlayScrollbarSizeRelevancy inOverlayScrollbarSizeRelevancy, ShouldRespectOverflowClip respectOverflowClip, const LayoutPoint* offsetFromRoot,
+    ClipRectsCacheSlot clipRectsCacheSlot, ShouldRespectOverflowClip respectOverflowClip, const LayoutPoint* offsetFromRoot,
     const LayoutSize& subPixelAccumulation, const LayoutRect* layerBoundingBox)
 {
     // For unpaginated layers, there is only one fragment.
     LayerFragment fragment;
-    ClipRectsContext clipRectsContext(rootLayer, clipRectsCacheSlot, inOverlayScrollbarSizeRelevancy, subPixelAccumulation);
+    ClipRectsContext clipRectsContext(rootLayer, clipRectsCacheSlot, subPixelAccumulation);
     if (respectOverflowClip == IgnoreOverflowClip)
         clipRectsContext.setIgnoreOverflowClip();
     clipper().calculateRects(clipRectsContext, dirtyRect, fragment.layerBounds, fragment.backgroundRect, fragment.foregroundRect, fragment.outlineRect, offsetFromRoot);
@@ -1853,7 +1853,7 @@ RenderLayer* RenderLayer::hitTestLayer(RenderLayer* rootLayer, RenderLayer* cont
     if (transform() && !appliedTransform) {
         // Make sure the parent's clip rects have been calculated.
         if (parent()) {
-            ClipRect clipRect = clipper().backgroundClipRect(ClipRectsContext(rootLayer, RootRelativeClipRects, IncludeOverlayScrollbarSize));
+            ClipRect clipRect = clipper().backgroundClipRect(ClipRectsContext(rootLayer, RootRelativeClipRects));
             // Go ahead and test the enclosing clip now.
             if (!clipRect.intersects(hitTestLocation))
                 return 0;
@@ -1933,7 +1933,7 @@ RenderLayer* RenderLayer::hitTestLayer(RenderLayer* rootLayer, RenderLayer* cont
 
     // Collect the fragments. This will compute the clip rectangles for each layer fragment.
     LayerFragments layerFragments;
-    collectFragments(layerFragments, rootLayer, hitTestRect, RootRelativeClipRects, IncludeOverlayScrollbarSize);
+    collectFragments(layerFragments, rootLayer, hitTestRect, RootRelativeClipRects);
 
     // Next we want to see if the mouse pos is inside the child RenderObjects of the layer. Check
     // every fragment in reverse order.