Reland of Use NGLogicalRect instead of NGExclusion for exclusions.

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 10 matching lines @@
 NGLogicalSize NGPhysicalSize::ConvertToLogical(NGWritingMode mode) const {
   return mode == HorizontalTopBottom ? NGLogicalSize(width, height)
                                      : NGLogicalSize(height, width);
 }
 
 bool NGLogicalRect::IsEmpty() const {
   // TODO(layout-dev): equality check shouldn't allocate an object each time.
   return *this == NGLogicalRect();
 }
 
+bool NGLogicalRect::IsContained(const NGLogicalRect& other) const {
+  return !(InlineEndOffset() <= other.InlineStartOffset() ||
+           BlockEndOffset() <= other.BlockStartOffset() ||
+           InlineStartOffset() >= other.InlineEndOffset() ||
+           BlockStartOffset() >= other.BlockEndOffset());
+}
+
 bool NGLogicalRect::operator==(const NGLogicalRect& other) const {
   return std::tie(other.offset, other.size) == std::tie(offset, size);
 }
 
 String NGLogicalRect::ToString() const {
   return String::format("%s,%s %sx%s",
                         offset.inline_offset.toString().ascii().data(),
                         offset.block_offset.toString().ascii().data(),
                         size.inline_size.toString().ascii().data(),
                         size.block_size.toString().ascii().data());
@@ skipping 120 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);
 }
 
 }  // namespace blink