Deprecate NGPhysicalConstraintSpace

third_party/WebKit/Source/core/layout/ng/ng_physical_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 NGPhysicalConstraintSpace_h
-#define NGPhysicalConstraintSpace_h
-
-#include "core/CoreExport.h"
-#include "core/layout/ng/ng_units.h"
-#include "platform/heap/Handle.h"
-#include "wtf/Vector.h"
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-// TODO(glebl@): unused, delete.
-enum NGExclusionType {
-  kNGClearNone = 0,
-  kNGClearFloatLeft = 1,
-  kNGClearFloatRight = 2,
-  kNGClearFragment = 4
-};
-
-enum NGFragmentationType {
-  kFragmentNone,
-  kFragmentPage,
-  kFragmentColumn,
-  kFragmentRegion
-};
-
-// The NGPhysicalConstraintSpace contains the underlying data for the
-// NGConstraintSpace. It is not meant to be used directly as all members are in
-// the physical coordinate space. Instead NGConstraintSpace should be used.
-class CORE_EXPORT NGPhysicalConstraintSpace final
-    : public GarbageCollectedFinalized<NGPhysicalConstraintSpace> {
- public:
-  NGPhysicalConstraintSpace(
-      NGPhysicalSize available_size,
-      NGPhysicalSize percentage_resolution_size,
-      bool fixed_width,
-      bool fixed_height,
-      bool width_direction_triggers_scrollbar,
-      bool height_direction_triggers_scrollbar,
-      NGFragmentationType width_direction_fragmentation_type,
-      NGFragmentationType height_direction_fragmentation_type,
-      bool is_new_fc);
-
-  void AddExclusion(const NGExclusion&);
-  const Vector<std::unique_ptr<const NGExclusion>>& Exclusions(
-      unsigned options = 0) const;
-
-  // Read only getters.
-  const NGExclusion* LastLeftFloatExclusion() const {
-    return last_left_float_exclusion_;
-  }
-
-  const NGExclusion* LastRightFloatExclusion() const {
-    return last_right_float_exclusion_;
-  }
-
-  DEFINE_INLINE_TRACE() {}
-
- private:
-  friend class NGConstraintSpace;
-
-  NGPhysicalSize available_size_;
-  NGPhysicalSize percentage_resolution_size_;
-
-  unsigned fixed_width_ : 1;
-  unsigned fixed_height_ : 1;
-  unsigned width_direction_triggers_scrollbar_ : 1;
-  unsigned height_direction_triggers_scrollbar_ : 1;
-  unsigned width_direction_fragmentation_type_ : 2;
-  unsigned height_direction_fragmentation_type_ : 2;
-
-  // Whether the current constraint space is for the newly established
-  // formatting Context
-  unsigned is_new_fc_ : 1;
-
-  // Last left/right float exclusions are used to enforce the top edge alignment
-  // rule for floats and for the support of CSS "clear" property.
-  const NGExclusion* last_left_float_exclusion_;   // Owned by exclusions_.
-  const NGExclusion* last_right_float_exclusion_;  // Owned by exclusions_.
-
-  Vector<std::unique_ptr<const NGExclusion>> exclusions_;
-};
-
-}  // namespace blink
-
-#endif  // NGPhysicalConstraintSpace_h