[css-align] Don't resolve 'auto' values for computed style.

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

Index: third_party/WebKit/Source/core/layout/LayoutGrid.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutGrid.h b/third_party/WebKit/Source/core/layout/LayoutGrid.h
index 34b5414d604dc05e004ba0ce788b2953dcb238e3..6b7a94aa64272065e01799ff3ca76d610b10db7e 100644
--- a/third_party/WebKit/Source/core/layout/LayoutGrid.h
+++ b/third_party/WebKit/Source/core/layout/LayoutGrid.h
@@ -128,6 +128,16 @@ class LayoutGrid final : public LayoutBlock {
                 LayoutObject* before_child = nullptr) override;
   void RemoveChild(LayoutObject*) override;
 
+  bool SelfAlignmentChangedToStretchInRowAxis(const ComputedStyle& old_style,
+                                              const ComputedStyle& new_style,
+                                              const LayoutBox&);
+  bool SelfAlignmentChangedFromStretchInRowAxis(const ComputedStyle& old_style,
+                                                const ComputedStyle& new_style,
+                                                const LayoutBox&);
+  bool SelfAlignmentChangedFromStretchInColumnAxis(
+      const ComputedStyle& old_style,
+      const ComputedStyle& new_style,
+      const LayoutBox&);
   void StyleDidChange(StyleDifference, const ComputedStyle*) override;
 
   Optional<LayoutUnit> AvailableSpaceForGutters(GridTrackSizingDirection) const;