Handle resize in PaintPropertyTreeBuilder::updateForObjectSizeAndLocation()

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1710 matching lines @@
 void LayoutBox::sizeChanged() {
   // The size may change because of layout of other objects. Should check this
   // object for paint invalidation.
   if (!needsLayout())
     setMayNeedPaintInvalidation();
 
   if (node() && node()->isElementNode()) {
     Element& element = toElement(*node());
     element.setNeedsResizeObserverUpdate();
   }
-
-  if (RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled()) {
-    if (shouldClipOverflow()) {
-      // The overflow clip paint property depends on the border box rect through
-      // overflowClipRect(). The border box rect's size equals the frame rect's
-      // size so we trigger a paint property update when the frame rect changes.
-      setNeedsPaintPropertyUpdate();
-    } else if (hasClip()) {
-      // The used value of CSS clip may depend on size of the box, e.g. for
-      // clip: rect(auto auto auto -5px).
-      setNeedsPaintPropertyUpdate();
-    } else if (styleRef().hasTransform() || styleRef().hasPerspective()) {
-      // Relative lengths (e.g., percentage values) in transform, perspective,
-      // transform-origin, and perspective-origin can depend on the size of the
-      // frame rect, so force a property update if it changes.
-      // TODO(pdr): We only need to update properties if there are relative
-      // lengths.
-      setNeedsPaintPropertyUpdate();
-    }
-  }
 }
 
 bool LayoutBox::intersectsVisibleViewport() const {
   LayoutRect rect = visualOverflowRect();
   LayoutView* layoutView = view();
   while (!layoutView->frame()->ownerLayoutItem().isNull())
     layoutView =
         LayoutAPIShim::layoutObjectFrom(layoutView->frame()->ownerLayoutItem())
             ->view();
   mapToVisualRectInAncestorSpace(layoutView, rect);
@@ skipping 3973 matching lines @@
 
 void LayoutBox::MutableForPainting::
     savePreviousContentBoxSizeAndLayoutOverflowRect() {
   auto& rareData = layoutBox().ensureRareData();
   rareData.m_hasPreviousContentBoxSizeAndLayoutOverflowRect = true;
   rareData.m_previousContentBoxSize = layoutBox().contentBoxRect().size();
   rareData.m_previousLayoutOverflowRect = layoutBox().layoutOverflowRect();
 }
 
 }  // namespace blink