[css-grid] "normal" alignment is "start" for replaced elements

third_party/WebKit/Source/core/layout/LayoutObject.h

Index: third_party/WebKit/Source/core/layout/LayoutObject.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.h b/third_party/WebKit/Source/core/layout/LayoutObject.h
index e4fd80eba60e87d23f215b0a8a17cbaefcf3ac8a..cd15350fc90c43e565333004c16b1703a5b6448c 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.h
@@ -512,6 +512,7 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
   bool isLayoutMultiColumnSpannerPlaceholder() const {
     return isOfType(LayoutObjectLayoutMultiColumnSpannerPlaceholder);
   }
+  bool isLayoutReplaced() const { return isOfType(LayoutObjectLayoutReplaced); }
   bool isLayoutScrollbarPart() const {
     return isOfType(LayoutObjectLayoutScrollbarPart);
   }
@@ -1910,6 +1911,7 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
     LayoutObjectLayoutMultiColumnSet,
     LayoutObjectLayoutMultiColumnSpannerPlaceholder,
     LayoutObjectLayoutPart,
+    LayoutObjectLayoutReplaced,
     LayoutObjectLayoutScrollbarPart,
     LayoutObjectLayoutView,
     LayoutObjectRuby,