Deprecate NGPhysicalConstraintSpace

third_party/WebKit/Source/core/layout/ng/ng_units.cc

 // 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.
 
 #include "core/layout/ng/ng_units.h"
 
 #include "core/layout/ng/ng_writing_mode.h"
 
 namespace blink {
 
@@ skipping 208 matching lines @@
 }
 
 bool NGMarginStrut::operator==(const NGMarginStrut& other) const {
   return std::tie(other.margin_block_start, other.margin_block_end,
                   other.negative_margin_block_start,
                   other.negative_margin_block_end) ==
          std::tie(margin_block_start, margin_block_end,
                   negative_margin_block_start, negative_margin_block_end);
 }
 
+NGExclusions::NGExclusions()
+    : last_left_float(nullptr), last_right_float(nullptr) {}
+
+NGExclusions::NGExclusions(const NGExclusions& other) {
+  for (const auto& exclusion : other.storage)
+    Add(*exclusion);
+}
+
+void NGExclusions::Add(const NGExclusion& exclusion) {
+  storage.append(makeUnique<NGExclusion>(exclusion));
+  if (exclusion.type == NGExclusion::kFloatLeft) {
+    last_left_float = storage.rbegin()->get();
+  } else if (exclusion.type == NGExclusion::kFloatRight) {
+    last_right_float = storage.rbegin()->get();
+  }
+}
+
+inline NGExclusions& NGExclusions::operator=(const NGExclusions& other) {
+  storage.clear();
+  last_left_float = nullptr;
+  last_right_float = nullptr;
+  for (const auto& exclusion : other.storage)
+    Add(*exclusion);
+  return *this;
+}
+
 }  // namespace blink