[ng_layout] Rename NGFragmentBase,NGFragment,NGPhysicalFragment

third_party/WebKit/Source/core/layout/ng/ng_box_fragment.cc

Index: third_party/WebKit/Source/core/layout/ng/ng_box_fragment.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_fragment.cc b/third_party/WebKit/Source/core/layout/ng/ng_box_fragment.cc
similarity index 67%
copy from third_party/WebKit/Source/core/layout/ng/ng_fragment.cc
copy to third_party/WebKit/Source/core/layout/ng/ng_box_fragment.cc
index 9ccb19c283e5d3dcdca3bf3a0ea477a19439d410..40d77d47304912c031e3a123903a1011dfaab840 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_fragment.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_box_fragment.cc
@@ -2,19 +2,19 @@
 // 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_fragment.h"
+#include "core/layout/ng/ng_box_fragment.h"
 
 #include "core/layout/ng/ng_macros.h"
-#include "core/layout/ng/ng_physical_fragment.h"
+#include "core/layout/ng/ng_physical_box_fragment.h"
 
 namespace blink {
 
-NGMarginStrut NGFragment::MarginStrut() const {
+NGMarginStrut NGBoxFragment::MarginStrut() const {
   WRITING_MODE_IGNORED(
       "Accessing the margin strut is fine here. Changing the writing mode"
       "establishes a new formatting context, for which a margin strut is never"
       "set for a fragment.");
-  return toNGPhysicalFragment(physical_fragment_)->MarginStrut();
+  return toNGPhysicalBoxFragment(physical_fragment_)->MarginStrut();
 }
 
 }  // namespace blink