[LayoutNG] Fix orthogonal writing mode child margin strut from being used in collapsing margins cal…

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

Index: third_party/WebKit/Source/core/layout/ng/ng_physical_fragment_base.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_physical_fragment_base.h b/third_party/WebKit/Source/core/layout/ng/ng_physical_fragment_base.h
index 0a5000af6c6d7df907ec1c9a2277159f4df624f4..75a22999a6f60aef1ab500f3bbc4ab3947f4b8dc 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_physical_fragment_base.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_physical_fragment_base.h
@@ -59,26 +59,21 @@ class CORE_EXPORT NGPhysicalFragmentBase
     has_been_placed_ = true;
   }
 
-  NGMarginStrut MarginStrut() const { return margin_strut_; }
-
   DEFINE_INLINE_TRACE_AFTER_DISPATCH() {}
   DECLARE_TRACE();
 
  protected:
   NGPhysicalFragmentBase(NGPhysicalSize size,
                          NGPhysicalSize overflow,
-                         NGFragmentType type,
-                         NGMarginStrut margin_strut)
+                         NGFragmentType type)
       : size_(size),
         overflow_(overflow),
-        margin_strut_(margin_strut),
         type_(type),
         has_been_placed_(false) {}
 
   NGPhysicalSize size_;
   NGPhysicalSize overflow_;
   NGPhysicalOffset offset_;
-  NGMarginStrut margin_strut_;
 
   unsigned type_ : 1;
   unsigned has_been_placed_ : 1;