[ng_layout] Rename NGFragmentBase,NGFragment,NGPhysicalFragment

third_party/WebKit/Source/core/layout/ng/ng_physical_box_fragment.h

 // 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.
 
-#ifndef NGPhysicalFragment_h
-#define NGPhysicalFragment_h
+#ifndef NGPhysicalBoxFragment_h
+#define NGPhysicalBoxFragment_h
 
 #include "core/CoreExport.h"
-#include "core/layout/ng/ng_physical_fragment_base.h"
 #include "core/layout/ng/ng_units.h"
+#include "core/layout/ng/ng_physical_fragment.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class NGBlockNode;
 
-class CORE_EXPORT NGPhysicalFragment final : public NGPhysicalFragmentBase {
+class CORE_EXPORT NGPhysicalBoxFragment final : public NGPhysicalFragment {
  public:
   // This modifies the passed-in children vector.
-  NGPhysicalFragment(
+  NGPhysicalBoxFragment(
       NGPhysicalSize size,
       NGPhysicalSize overflow,
-      HeapVector<Member<const NGPhysicalFragmentBase>>& children,
+      HeapVector<Member<const NGPhysicalFragment>>& children,
       HeapLinkedHashSet<WeakMember<NGBlockNode>>& out_of_flow_descendants,
       Vector<NGStaticPosition>& out_of_flow_positions,
       NGMarginStrut margin_strut);
 
-  const HeapVector<Member<const NGPhysicalFragmentBase>>& Children() const {
+  const HeapVector<Member<const NGPhysicalFragment>>& Children() const {
     return children_;
   }
 
   NGMarginStrut MarginStrut() const { return margin_strut_; }
 
   DECLARE_TRACE_AFTER_DISPATCH();
 
  private:
-  HeapVector<Member<const NGPhysicalFragmentBase>> children_;
+  HeapVector<Member<const NGPhysicalFragment>> children_;
   NGMarginStrut margin_strut_;
 };
 
-WILL_NOT_BE_EAGERLY_TRACED_CLASS(NGPhysicalFragment);
+WILL_NOT_BE_EAGERLY_TRACED_CLASS(NGPhysicalBoxFragment);
 
-DEFINE_TYPE_CASTS(NGPhysicalFragment,
-                  NGPhysicalFragmentBase,
+DEFINE_TYPE_CASTS(NGPhysicalBoxFragment,
+                  NGPhysicalFragment,
                   fragment,
-                  fragment->Type() == NGPhysicalFragmentBase::kFragmentBox,
-                  fragment.Type() == NGPhysicalFragmentBase::kFragmentBox);
+                  fragment->Type() == NGPhysicalFragment::kFragmentBox,
+                  fragment.Type() == NGPhysicalFragment::kFragmentBox);
 
 }  // namespace blink
 
-#endif  // NGPhysicalFragment_h
+#endif  // NGPhysicalBoxFragment_h