Invalidate non-composited subtree on needsPaintInvalidationLayer

Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1784 matching lines @@
         else if (updatedDiff.needsPositionedMovementLayout())
             setNeedsPositionedMovementLayout();
     }
 
     if (diff.transformChanged() && !needsLayout()) {
         if (LayoutBlock* container = containingBlock())
             container->setNeedsOverflowRecalcAfterStyleChange();
     }
 
     if (updatedDiff.needsPaintInvalidationLayer())
-        toLayoutBoxModelObject(this)->layer()->setShouldDoFullPaintInvalidationIncludingNonCompositingDescendants();
+        setShouldDoFullPaintInvalidationIncludingNonCompositingDescendants();
     else if (diff.needsPaintInvalidationObject() || updatedDiff.needsPaintInvalidationObject())
         setShouldDoFullPaintInvalidation();
 }
 
 static inline bool layoutObjectHasBackground(const LayoutObject* layoutObject)
 {
     return layoutObject && layoutObject->hasBackground();
 }
 
 void LayoutObject::styleWillChange(StyleDifference diff, const ComputedStyle& newStyle)
@@ skipping 1450 matching lines @@
     invalidatePaintUsingContainer(paintInvalidationContainer, previousPaintInvalidationRect(), PaintInvalidationLayer);
     if (RuntimeEnabledFeatures::slimmingPaintEnabled())
         invalidateDisplayItemClients(*paintInvalidationContainer);
 
     for (LayoutObject* child = slowFirstChild(); child; child = child->nextSibling()) {
         if (!child->isPaintInvalidationContainer())
             child->invalidatePaintIncludingNonCompositingDescendantsInternal(paintInvalidationContainer);
     }
 }
 
+static void setShouldDoFullPaintInvalidationIncludingNonCompositingDescendantsInternal(LayoutObject* object)
+{
+    object->setShouldDoFullPaintInvalidation();
+    for (LayoutObject* child = object->slowFirstChild(); child; child = child->nextSibling()) {
+        if (!child->isPaintInvalidationContainer())
+            setShouldDoFullPaintInvalidationIncludingNonCompositingDescendantsInternal(child);
+    }
+}
+
+// FIXME: If we had a flag to force invalidations in a whole subtree, we could get rid of this function (crbug.com/410097).
+void LayoutObject::setShouldDoFullPaintInvalidationIncludingNonCompositingDescendants()
+{
+    // Need to access the current compositing status.
+    DisableCompositingQueryAsserts disabler;
+    setShouldDoFullPaintInvalidationIncludingNonCompositingDescendantsInternal(this);
+}
 
 } // namespace blink
 
 #ifndef NDEBUG
 
 void showTree(const blink::LayoutObject* object)
 {
     if (object)
         object->showTreeForThis();
     else
@@ skipping 19 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n");
     }
 }
 
 #endif