Add FrameView::MarkViewportConstrainedObjectsForLayout

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 1693 matching lines @@
       // URL bar will expose area outside the current LayoutView so we need to
       // paint additional background. If RLS is on, we've already invalidated
       // above.
       LayoutViewItem lvi = GetLayoutViewItem();
       DCHECK(!lvi.IsNull());
       if (lvi.DocumentRect().Height() < lvi.ViewRect().Height())
         lvi.SetShouldDoFullPaintInvalidation();
     }
   }
 
-  if (!HasViewportConstrainedObjects())
+  if (GetFrame().GetDocument() && !IsInPerformLayout())
+    MarkViewportConstrainedObjectsForLayout(width_changed, height_changed);
+}
+
+void FrameView::MarkViewportConstrainedObjectsForLayout(bool width_changed,
+                                                        bool height_changed) {
+  if (!HasViewportConstrainedObjects() || !(width_changed || height_changed))
     return;
 
   for (const auto& viewport_constrained_object :
        *viewport_constrained_objects_) {
     LayoutObject* layout_object = viewport_constrained_object;
     const ComputedStyle& style = layout_object->StyleRef();
     if (width_changed) {
       if (style.Width().IsFixed() &&
           (style.Left().IsAuto() || style.Right().IsAuto()))
         layout_object->SetNeedsPositionedMovementLayout();
@@ skipping 3663 matching lines @@
 void FrameView::SetAnimationHost(
     std::unique_ptr<CompositorAnimationHost> host) {
   animation_host_ = std::move(host);
 }
 
 LayoutUnit FrameView::CaretWidth() const {
   return LayoutUnit(GetChromeClient()->WindowToViewportScalar(1));
 }
 
 }  // namespace blink