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

third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp

Index: third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp b/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
index 512f64f3b365b1c734ef26493590e1283311f8a2..325b68b8331465adceb269823504780329574706 100644
--- a/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
@@ -325,14 +325,13 @@ void LayoutFlexibleBox::RemoveChild(LayoutObject* child) {
   intrinsic_size_along_main_axis_.erase(child);
 }
 
-// TODO (lajava): Is this function still needed ? Every time the flex
-// container's align-items value changes we propagate the diff to its children
-// (see ComputedStyle::stylePropagationDiff).
 void LayoutFlexibleBox::StyleDidChange(StyleDifference diff,
                                        const ComputedStyle* old_style) {
   LayoutBlock::StyleDidChange(diff, old_style);
 
-  if (old_style && old_style->AlignItemsPosition() == kItemPositionStretch &&
+  if (old_style &&
+      old_style->ResolvedAlignItems(SelfAlignmentNormalBehavior())
+              .GetPosition() == kItemPositionStretch &&
       diff.NeedsFullLayout()) {
     // Flex items that were previously stretching need to be relayed out so we
     // can compute new available cross axis space. This is only necessary for
@@ -1698,8 +1697,7 @@ ItemPosition LayoutFlexibleBox::AlignmentForChild(
     const LayoutBox& child) const {
   ItemPosition align =
       child.StyleRef()
-          .ResolvedAlignSelf(SelfAlignmentNormalBehavior(),
-                             child.IsAnonymous() ? Style() : nullptr)
+          .ResolvedAlignSelf(SelfAlignmentNormalBehavior(), Style())
           .GetPosition();
   DCHECK_NE(align, kItemPositionAuto);
   DCHECK_NE(align, kItemPositionNormal);