[ng_layout] Rename NGFragmentBase,NGFragment,NGPhysicalFragment

third_party/WebKit/Source/core/layout/ng/ng_layout_coordinator.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_layout_coordinator.h"
 
 #include "core/layout/ng/ng_layout_input_node.h"
-#include "core/layout/ng/ng_physical_fragment_base.h"
+#include "core/layout/ng/ng_physical_fragment.h"
 
 namespace blink {
 
 NGLayoutCoordinator::NGLayoutCoordinator(NGLayoutInputNode* input_node,
                                          NGConstraintSpace* constraint_space) {
   layout_algorithms_.append(
       NGLayoutInputNode::AlgorithmForInputNode(input_node, constraint_space));
 }
 
-bool NGLayoutCoordinator::Tick(NGPhysicalFragmentBase** out_fragment) {
+bool NGLayoutCoordinator::Tick(NGPhysicalFragment** out_fragment) {
   NGLayoutAlgorithm* child_algorithm;
 
   // Tick should never be called without a layout algorithm on the stack.
   DCHECK(layout_algorithms_.size());
 
-  NGPhysicalFragmentBase* fragment;
-  NGPhysicalFragmentBase* in_fragment = fragment_;
+  NGPhysicalFragment* fragment;
+  NGPhysicalFragment* in_fragment = fragment_;
   fragment_ = nullptr;
 
   switch (layout_algorithms_.back()->Layout(in_fragment, &fragment,
                                             &child_algorithm)) {
     case kNotFinished:
       return false;
     case kNewFragment:
       layout_algorithms_.pop_back();
       if (layout_algorithms_.size() == 0) {
         *out_fragment = fragment;
         return true;
       }
       fragment_ = fragment;
       return false;
     case kChildAlgorithmRequired:
       layout_algorithms_.append(child_algorithm);
       return false;
   }
 
   NOTREACHED();
   return false;
 }
 
 DEFINE_TRACE(NGLayoutCoordinator) {
   visitor->trace(layout_algorithms_);
   visitor->trace(fragment_);
 }
 }