[LayoutNG] Switch NGConstraintSpace to NGLogicalSize

third_party/WebKit/Source/core/layout/ng/ng_derived_constraint_space.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NGConstraintSpace_h
 #define NGConstraintSpace_h
 
 #include "core/CoreExport.h"
 #include "core/layout/ng/ng_constraint_space.h"
 #include "core/layout/ng/ng_units.h"
 #include "platform/LayoutUnit.h"
 #include "wtf/DoublyLinkedList.h"
 
 namespace blink {
 
 class CORE_EXPORT NGDerivedConstraintSpace final : public NGConstraintSpace {
  public:
   ~NGDerivedConstraintSpace();
 
-  LayoutUnit offset() const { return offset_; }
-  LayoutUnit size() const { return size_; }
+  NGLogicalOffset Offset() const { return offset_; }
+  NGLogicalSize Size() const override { return size_; }
 
  private:
   NGDerivedConstraintSpace(const NGConstraintSpace* original,
                            NGLogicalOffset offset,
                            NGLogicalSize size,
                            NGWritingMode writingMode,
                            NGDirection direction)
       : original_(original),
         offset_(offset),
         size_(size),
         writingMode_(writingMode),
         direction_(direction) {}
 
   const NGConstraintSpace* original_;
   NGLogicalOffset offset_;
   NGLogicalSize size_;
   NGWritingMode writingMode_;
   NGDirection direction_;
 };
 
 }  // namespace blink
 
 #endif  // NGConstraintSpace_h