Avoid LayoutFullScreen to be orthogonal writing-mode roots when reattached

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

 /*
  * Copyright (C) 2010 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 74 matching lines @@
 
     // LayoutObjects are unretained, so notify the document (which holds a pointer to a LayoutFullScreen)
     // if its LayoutFullScreen is destroyed.
     Fullscreen& fullscreen = Fullscreen::from(document());
     if (fullscreen.fullScreenLayoutObject() == this)
         fullscreen.fullScreenLayoutObjectDestroyed();
 
     LayoutFlexibleBox::willBeDestroyed();
 }
 
-void LayoutFullScreen::updateStyle()
+void LayoutFullScreen::updateStyle(LayoutObject* parent)
 {
     RefPtr<ComputedStyle> fullscreenStyle = ComputedStyle::create();
 
     // Create a stacking context:
     fullscreenStyle->setZIndex(INT_MAX);
     fullscreenStyle->setIsStackingContext(true);
 
     fullscreenStyle->setFontDescription(FontDescription());
     fullscreenStyle->font().update(nullptr);
 
     fullscreenStyle->setDisplay(FLEX);
     fullscreenStyle->setJustifyContentPosition(ContentPositionCenter);
     fullscreenStyle->setAlignItemsPosition(ItemPositionCenter);
     fullscreenStyle->setFlexDirection(FlowColumn);
 
     fullscreenStyle->setPosition(FixedPosition);
     fullscreenStyle->setLeft(Length(0, blink::Fixed));
     fullscreenStyle->setTop(Length(0, blink::Fixed));
     IntSize viewportSize = document().page()->frameHost().visualViewport().size();
     fullscreenStyle->setWidth(Length(viewportSize.width(), blink::Fixed));
     fullscreenStyle->setHeight(Length(viewportSize.height(), blink::Fixed));
 
     fullscreenStyle->setBackgroundColor(StyleColor(Color::black));
 
-    setStyleWithWritingModeOfParent(fullscreenStyle);
+    setStyleWithWritingModeOf(fullscreenStyle, parent);
+}
+
+void LayoutFullScreen::updateStyle()
+{
+    updateStyle(parent());
 }
 
 LayoutObject* LayoutFullScreen::wrapLayoutObject(LayoutObject* object, LayoutObject* parent, Document* document)
 {
     // FIXME: We should not modify the structure of the layout tree during
     // layout. crbug.com/370459
     DeprecatedDisableModifyLayoutTreeStructureAsserts disabler;
 
     LayoutFullScreen* fullscreenLayoutObject = LayoutFullScreen::createAnonymous(document);
-    fullscreenLayoutObject->updateStyle();
+    fullscreenLayoutObject->updateStyle(parent);
     if (parent && !parent->isChildAllowed(fullscreenLayoutObject, fullscreenLayoutObject->styleRef())) {
         fullscreenLayoutObject->destroy();
         return nullptr;
     }
     if (object) {
         // |object->parent()| can be null if the object is not yet attached
         // to |parent|.
         if (LayoutObject* parent = object->parent()) {
             LayoutBlock* containingBlock = object->containingBlock();
             DCHECK(containingBlock);
@@ skipping 56 matching lines @@
         m_placeholder->setStyleWithWritingModeOfParent(style);
         if (parent()) {
             parent()->addChildWithWritingModeOfParent(m_placeholder, this);
             parent()->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation(LayoutInvalidationReason::Fullscreen);
         }
     } else {
         m_placeholder->setStyle(style);
         m_placeholder->setStyleWithWritingModeOfParent(style);
     }
 }