Avoid LayoutFullScreen to be orthogonal writing-mode roots when reattached

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/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1871 matching lines @@
         // they contain block descendants of relative positioned inlines.
         if (child->isInFlowPositioned() && child->isLayoutBlockFlow() && toLayoutBlockFlow(child)->isAnonymousBlockContinuation())
             newStyle->setPosition(child->style()->position());
 
         updateAnonymousChildStyle(*child, *newStyle);
 
         child->setStyle(newStyle.release());
     }
 }
 
+void LayoutObject::setStyleWithWritingModeOf(PassRefPtr<ComputedStyle> style, LayoutObject* parent)
+{
+    if (parent)
+        style->setWritingMode(parent->styleRef().getWritingMode());
+    setStyle(style);
+}
+
 void LayoutObject::setStyleWithWritingModeOfParent(PassRefPtr<ComputedStyle> style)
 {
-    if (parent())
-        style->setWritingMode(parent()->styleRef().getWritingMode());
-    setStyle(style);
+    setStyleWithWritingModeOf(style, parent());
 }
 
 void LayoutObject::addChildWithWritingModeOfParent(LayoutObject* newChild, LayoutObject* beforeChild)
 {
     if (newChild->mutableStyleRef().setWritingMode(styleRef().getWritingMode())
         && newChild->isBoxModelObject()) {
         newChild->setHorizontalWritingMode(isHorizontalWritingMode());
     }
     addChild(newChild, beforeChild);
 }
@@ skipping 1561 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