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

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

Index: third_party/WebKit/Source/core/layout/LayoutBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBox.cpp b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
index a7da0f04a8fe7ce16767db5c30c3b6f38f9eb0f0..628f06186ca765cbfcbb9209a786882395e3481c 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBox.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
@@ -2849,7 +2849,7 @@ bool LayoutBox::ColumnFlexItemHasStretchAlignment() const {
   return StyleRef()
              .ResolvedAlignSelf(
                  ContainingBlock()->SelfAlignmentNormalBehavior(),
-                 IsAnonymous() ? &parent_style : nullptr)
+                 &parent_style)
              .GetPosition() == kItemPositionStretch;
 }
 
@@ -2883,15 +2883,14 @@ bool LayoutBox::HasStretchedLogicalWidth() const {
     // Flexbox Items, which obviously should have a container.
     return false;
   }
-  const ComputedStyle* parent_style = IsAnonymous() ? cb->Style() : nullptr;
   if (cb->IsHorizontalWritingMode() != IsHorizontalWritingMode())
     return style
                .ResolvedAlignSelf(cb->SelfAlignmentNormalBehavior(this),
-                                  parent_style)
+                                  cb->Style())
                .GetPosition() == kItemPositionStretch;
   return style
              .ResolvedJustifySelf(cb->SelfAlignmentNormalBehavior(this),
-                                  parent_style)
+                                  cb->Style())
              .GetPosition() == kItemPositionStretch;
 }