Add StyleDifference::needsVisualRectUpdate

third_party/WebKit/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/)
@@ skipping 1718 matching lines @@
   } else if (diff.needsPaintInvalidationObject() ||
              updatedDiff.needsPaintInvalidationObject()) {
     // TODO(wangxianzhu): For now LayoutSVGRoot::localVisualRect() depends on
     // several styles. Refactor to avoid this special case.
     if (isSVGRoot())
       setShouldDoFullPaintInvalidation();
     else
       setShouldDoFullPaintInvalidationWithoutGeometryChange();
   }
 
+  if (diff.needsVisualRectUpdate())
+    setMayNeedPaintInvalidation();
+
   // Text nodes share style with their parents but the paint properties don't
   // apply to them, hence the !isText() check.
   if (RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled() && !isText() &&
       (diff.transformChanged() || diff.opacityChanged() ||
        diff.zIndexChanged() || diff.filterChanged() ||
        diff.backdropFilterChanged() || diff.cssClipChanged())) {
     setNeedsPaintPropertyUpdate();
 
     // We don't need to invalidate paint of objects on SPv2 when only paint
     // property or paint order change. Mark the painting layer needing repaint
@@ skipping 1876 matching lines @@
     const blink::LayoutObject* root = object1;
     while (root->parent())
       root = root->parent();
     root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
   } else {
     WTFLogAlways("%s", "Cannot showLayoutTree. Root is (nil)");
   }
 }
 
 #endif