Fix preferred logical widths of orthogonal writing modes

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

Index: third_party/WebKit/Source/core/frame/FrameView.h
diff --git a/third_party/WebKit/Source/core/frame/FrameView.h b/third_party/WebKit/Source/core/frame/FrameView.h
index 6521e00896bfc22057d122dc02b3d1d1113f00d2..d288c90756d91f22438986e82c6a504c715073cc 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.h
+++ b/third_party/WebKit/Source/core/frame/FrameView.h
@@ -120,6 +120,10 @@ public:
     bool isInPerformLayout() const;
 
     void clearLayoutSubtreeRoot(const LayoutObject&);
+    void addOrthogonalWritingModeRoot(LayoutBox&);
+    void removeOrthogonalWritingModeRoot(LayoutBox&);
+    bool hasOrthogonalWritingModeRoots() const;
+    void layoutOrthogonalWritingModeRoots();
     int layoutCount() const { return m_layoutCount; }
 
     void countObjectsNeedingLayout(unsigned& needsLayoutObjects, unsigned& totalObjects, bool& isPartial);
@@ -781,6 +785,7 @@ private:
 
     bool m_hasPendingLayout;
     LayoutSubtreeRootList m_layoutSubtreeRootList;
+    DepthOrderedLayoutObjectList m_orthogonalWritingModeRootList;
 
     bool m_layoutSchedulingEnabled;
     bool m_inSynchronousPostLayout;