Avoid LayoutFullScreen to be orthogonal writing-mode roots when reattached

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

Index: third_party/WebKit/Source/core/layout/LayoutObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.cpp b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
index 56dbaadc81476b59741fea9b341ddb020ba49cbe..7941b5bc8e40e0d3c53f75701a43829dfc31e01d 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
@@ -1889,13 +1889,18 @@ void LayoutObject::propagateStyleToAnonymousChildren()
     }
 }
 
-void LayoutObject::setStyleWithWritingModeOfParent(PassRefPtr<ComputedStyle> style)
+void LayoutObject::setStyleWithWritingModeOf(PassRefPtr<ComputedStyle> style, LayoutObject* parent)
 {
-    if (parent())
-        style->setWritingMode(parent()->styleRef().getWritingMode());
+    if (parent)
+        style->setWritingMode(parent->styleRef().getWritingMode());
     setStyle(style);
 }
 
+void LayoutObject::setStyleWithWritingModeOfParent(PassRefPtr<ComputedStyle> style)
+{
+    setStyleWithWritingModeOf(style, parent());
+}
+
 void LayoutObject::addChildWithWritingModeOfParent(LayoutObject* newChild, LayoutObject* beforeChild)
 {
     if (newChild->mutableStyleRef().setWritingMode(styleRef().getWritingMode())