Use Opportunity Iterator to position text fragments in NGLineBuilder

third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.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_block_layout_algorithm.h"
 
 #include "core/layout/ng/ng_absolute_utils.h"
 #include "core/layout/ng/ng_block_break_token.h"
 #include "core/layout/ng/ng_block_child_iterator.h"
 #include "core/layout/ng/ng_box_fragment.h"
@@ skipping 679 matching lines @@
 
   if (child->Type() == NGLayoutInputNode::kLegacyInline) {
     // TODO(kojii): Setup space_builder_ appropriately for inline child.
 
     // Margins collapsing: Inline block.
     curr_bfc_offset_.block_offset += curr_margin_strut_.Sum();
     UpdateFragmentBfcOffset(curr_bfc_offset_);
     PositionPendingFloats(curr_bfc_offset_.block_offset,
                           MutableConstraintSpace(), &builder_);
     curr_margin_strut_ = {};
+    space_builder_.SetBfcOffset(curr_bfc_offset_);
 
     return space_builder_.ToConstraintSpace(
         FromPlatformWritingMode(Style().getWritingMode()));
   }
 
   NGBlockNode* block_child = toNGBlockNode(child);
   const ComputedStyle& child_style = block_child->Style();
 
   // Calculate margins in parent's writing mode.
   curr_child_margins_ = CalculateMargins(
@@ skipping 55 matching lines @@
       DCHECK(builder_.BfcOffset());
       space_available -= curr_bfc_offset_.block_offset;
     }
   }
   space_builder_.SetFragmentainerSpaceAvailable(space_available);
 
   return space_builder_.ToConstraintSpace(
       FromPlatformWritingMode(child_style.getWritingMode()));
 }
 }  // namespace blink