Remove all writing mode function arguments and remove writing mode from RenderStyle.

sky/engine/platform/geometry/LayoutBoxExtent.h

 /*
  * Copyright (c) 2012, Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 36 matching lines @@
     inline LayoutUnit top() const { return m_top; }
     inline LayoutUnit right() const { return m_right; }
     inline LayoutUnit bottom() const { return m_bottom; }
     inline LayoutUnit left() const { return m_left; }
 
     inline void setTop(LayoutUnit value) { m_top = value; }
     inline void setRight(LayoutUnit value) { m_right = value; }
     inline void setBottom(LayoutUnit value) { m_bottom = value; }
     inline void setLeft(LayoutUnit value) { m_left = value; }
 
-    LayoutUnit logicalTop(WritingMode) const;
-    LayoutUnit logicalBottom(WritingMode) const;
-    LayoutUnit logicalLeft(WritingMode) const;
-    LayoutUnit logicalRight(WritingMode) const;
+    LayoutUnit logicalTop() const;
+    LayoutUnit logicalBottom() const;
+    LayoutUnit logicalLeft() const;
+    LayoutUnit logicalRight() const;
 
-    LayoutUnit before(WritingMode) const;
-    LayoutUnit after(WritingMode) const;
-    LayoutUnit start(WritingMode, TextDirection) const;
-    LayoutUnit end(WritingMode, TextDirection) const;
+    LayoutUnit before() const;
+    LayoutUnit after() const;
+    LayoutUnit start(TextDirection) const;
+    LayoutUnit end(TextDirection) const;
 
-    void setBefore(WritingMode, LayoutUnit);
-    void setAfter(WritingMode, LayoutUnit);
-    void setStart(WritingMode, TextDirection, LayoutUnit);
-    void setEnd(WritingMode, TextDirection, LayoutUnit);
+    void setBefore(LayoutUnit);
+    void setAfter(LayoutUnit);
+    void setStart(TextDirection, LayoutUnit);
+    void setEnd(TextDirection, LayoutUnit);
 
-    LayoutUnit& mutableLogicalLeft(WritingMode);
-    LayoutUnit& mutableLogicalRight(WritingMode);
+    LayoutUnit& mutableLogicalLeft();
+    LayoutUnit& mutableLogicalRight();
 
-    LayoutUnit& mutableBefore(WritingMode);
-    LayoutUnit& mutableAfter(WritingMode);
+    LayoutUnit& mutableBefore();
+    LayoutUnit& mutableAfter();
 
 private:
     LayoutUnit m_top;
     LayoutUnit m_right;
     LayoutUnit m_bottom;
     LayoutUnit m_left;
 };
 
 } // namespace blink
 
 #endif // LayoutBoxExtent_h