[css-align] Check runtime flags for align-items 'auto' value resolution

third_party/WebKit/Source/core/css/resolver/StyleAdjuster.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 151 matching lines @@
     // any legacy keywords), or 'normal' if the box has no parent.
     if (style.justifySelfPosition() == ItemPositionAuto) {
         if (parentStyle.justifyItemsPositionType() == LegacyPosition)
             style.setJustifySelfPosition(parentStyle.justifyItemsPosition());
         else if (parentStyle.justifyItemsPosition() != ItemPositionAuto)
             style.setJustifySelf(parentStyle.justifyItems());
     }
 
     // The 'auto' keyword computes the computed value of align-items on the parent
     // or 'normal' if the box has no parent.
-    if (style.alignSelfPosition() == ItemPositionAuto && parentStyle.alignItemsPosition() != ItemPositionNormal)
+    if (style.alignSelfPosition() == ItemPositionAuto && parentStyle.alignItemsPosition() != ComputedStyle::initialDefaultAlignment().position())
         style.setAlignSelf(parentStyle.alignItems());
 }
 
 static void adjustStyleForHTMLElement(ComputedStyle& style, HTMLElement& element)
 {
     // <div> and <span> are the most common elements on the web, we skip all the work for them.
     if (isHTMLDivElement(element) || isHTMLSpanElement(element))
         return;
 
     if (isHTMLTableCellElement(element)) {
@@ skipping 221 matching lines @@
             style.setDisplay(BLOCK);
 
         // Columns don't apply to svg text elements.
         if (isSVGTextElement(*element))
             style.clearMultiCol();
     }
     adjustStyleForAlignment(style, parentStyle);
 }
 
 } // namespace blink