Adding rootlayerscrolls-specific test expectations.

third_party/WebKit/Source/core/layout/LayoutTreeAsText.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 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
@@ skipping 665 matching lines @@
   layer->convertToLayerCoords(rootLayer, offsetFromRoot);
   bool shouldPaint = (behavior & LayoutAsTextShowAllLayers)
                          ? true
                          : layer->intersectsDamageRect(
                                layerBounds, damageRect.rect(), offsetFromRoot);
 
   if (layer->layoutObject()->isLayoutPart() &&
       toLayoutPart(layer->layoutObject())->isThrottledFrameView())
     shouldPaint = false;
 
+  if (RuntimeEnabledFeatures::rootLayerScrollingEnabled() &&
+      !layer->isRootLayer()) {
+    ScrollableArea* scrollableArea = rootLayer->getScrollableArea();
+    FloatPoint adjustedScrollOffset =
+        scrollableArea->scrollPosition() + scrollableArea->scrollOrigin();

[skobes, 2016/10/13 18:06:27]

Adding the scroll origin doesn't make sense, the scroll position should already
include it.

+    layerBounds.moveBy(roundedIntPoint(adjustedScrollOffset));
+  }
+
   Vector<PaintLayerStackingNode*>* negList =
       layer->stackingNode()->negZOrderList();
   bool paintsBackgroundSeparately = negList && negList->size() > 0;
   if (shouldPaint && paintsBackgroundSeparately)
     write(ts, *layer, layerBounds, damageRect.rect(), clipRectToApply.rect(),
           LayerPaintPhaseBackground, indent, behavior, markedLayer);
 
   if (negList) {
     int currIndent = indent;
     if (behavior & LayoutAsTextShowLayerNesting) {
@@ skipping 182 matching lines @@
   element->document().updateStyleAndLayout();
 
   LayoutObject* layoutObject = element->layoutObject();
   if (!layoutObject || !layoutObject->isListItem())
     return String();
 
   return toLayoutListItem(layoutObject)->markerText();
 }
 
 }  // namespace blink