Make NGFragment to own NGPhysicalFragment

third_party/WebKit/Source/core/layout/ng/ng_physical_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_physical_constraint_space.h"
 
 namespace blink {
 
 NGPhysicalConstraintSpace::NGPhysicalConstraintSpace(
     NGPhysicalSize container_size)
     : container_size_(container_size),
       fixed_width_(0),
       fixed_height_(0),
       width_direction_triggers_scrollbar_(0),
       height_direction_triggers_scrollbar_(0),
       width_direction_fragmentation_type_(FragmentNone),
       height_direction_fragmentation_type_(FragmentNone) {}
 
 NGPhysicalConstraintSpace::NGPhysicalConstraintSpace()
     : fixed_width_(0),
       fixed_height_(0),
       width_direction_triggers_scrollbar_(0),
       height_direction_triggers_scrollbar_(0),
       width_direction_fragmentation_type_(FragmentNone),
       height_direction_fragmentation_type_(FragmentNone) {}
 
-NGPhysicalConstraintSpace::NGPhysicalConstraintSpace(
-    const NGPhysicalConstraintSpace& other)
-    : fixed_width_(other.fixed_width_),
-      fixed_height_(other.fixed_height_),
-      width_direction_triggers_scrollbar_(
-          other.width_direction_triggers_scrollbar_),
-      height_direction_triggers_scrollbar_(
-          other.height_direction_triggers_scrollbar_),
-      width_direction_fragmentation_type_(
-          other.width_direction_fragmentation_type_),
-      height_direction_fragmentation_type_(
-          other.height_direction_fragmentation_type_) {}
-
 void NGPhysicalConstraintSpace::AddExclusion(const NGExclusion exclusion,
                                              unsigned options) {
   exclusions_.append(exclusion);
 }
 
 const Vector<NGExclusion>& NGPhysicalConstraintSpace::Exclusions(
     unsigned options) const {
   // TODO(layout-ng): Filter based on options? Perhaps layout Opportunities
   // should filter instead?
   return exclusions_;
 }
 
 }  // namespace blink