Deprecate NGPhysicalConstraintSpace

third_party/WebKit/Source/core/layout/ng/ng_units.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 NGUnits_h
 #define NGUnits_h
 
 #include "core/CoreExport.h"
 #include "core/layout/ng/ng_writing_mode.h"
 #include "platform/LayoutUnit.h"
@@ skipping 166 matching lines @@
     kFloatRight = 2
   };
 
   // Rectangle in logical coordinates the represents this exclusion.
   NGLogicalRect rect;
 
   // Type of this exclusion.
   Type type;
 };
 
+struct CORE_EXPORT NGExclusions {
+  // Default constructor.
+  NGExclusions();
+
+  // Copy constructor.
+  NGExclusions(const NGExclusions& other);
+
+  Vector<std::unique_ptr<const NGExclusion>> storage;
+
+  // 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;   // Owned by storage.
+  const NGExclusion* last_right_float;  // Owned by storage.
+
+  NGExclusions& operator=(const NGExclusions& other);
+
+  void Add(const NGExclusion& exclusion);
+};
+
 struct NGPixelSnappedPhysicalRect {
   int top;
   int left;
   int width;
   int height;
 };
 
 // Struct to store physical dimensions, independent of writing mode and
 // direction.
 // See https://drafts.csswg.org/css-writing-modes-3/#abstract-box
@@ skipping 66 matching lines @@
 
 // Struct to represent a simple edge that has start and end.
 struct NGEdge {
   LayoutUnit start;
   LayoutUnit end;
 };
 
 }  // namespace blink
 
 #endif  // NGUnits_h