[ng_layout] Rename NGFragmentBase,NGFragment,NGPhysicalFragment

third_party/WebKit/Source/core/layout/ng/ng_constraint_space.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_constraint_space.h"
 
 #include "core/layout/LayoutBlock.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/ng/ng_constraint_space_builder.h"
 #include "core/layout/ng/ng_layout_opportunity_iterator.h"
@@ skipping 77 matching lines @@
 }
 
 void NGConstraintSpace::AddExclusion(const NGExclusion& exclusion) {
   exclusions_->Add(exclusion);
 }
 
 NGFragmentationType NGConstraintSpace::BlockFragmentationType() const {
   return static_cast<NGFragmentationType>(block_direction_fragmentation_type_);
 }
 
-void NGConstraintSpace::Subtract(const NGFragment*) {
+void NGConstraintSpace::Subtract(const NGBoxFragment*) {
   // TODO(layout-ng): Implement.
 }
 
 NGLayoutOpportunityIterator* NGConstraintSpace::LayoutOpportunities(
     unsigned clear,
     bool for_inline_or_bfc) {
   NGLayoutOpportunityIterator* iterator = new NGLayoutOpportunityIterator(this);
   return iterator;
 }
 
 String NGConstraintSpace::ToString() const {
   return String::format("%s,%s %sx%s",
                         offset_.inline_offset.toString().ascii().data(),
                         offset_.block_offset.toString().ascii().data(),
                         AvailableSize().inline_size.toString().ascii().data(),
                         AvailableSize().block_size.toString().ascii().data());
 }
 
 }  // namespace blink