Chrome incorrectly honors "align-content" in "flex-wrap: wrap" flex containers that only have a sin…

Source/core/rendering/RenderFlexibleBox.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1191 matching lines @@
         mainAxisOffset -= flowAwareMarginStartForChild(child);
 
         ++seenInFlowPositionedChildren;
         if (seenInFlowPositionedChildren < numberOfChildrenForJustifyContent)
             mainAxisOffset -= justifyContentSpaceBetweenChildren(availableFreeSpace, style()->justifyContent(), numberOfChildrenForJustifyContent);
     }
 }
 
 static LayoutUnit initialAlignContentOffset(LayoutUnit availableFreeSpace, EAlignContent alignContent, unsigned numberOfLines)
 {
-    if (alignContent == AlignContentFlexEnd)
-        return availableFreeSpace;
-    if (alignContent == AlignContentCenter)
-        return availableFreeSpace / 2;
-    if (alignContent == AlignContentSpaceAround) {
-        if (availableFreeSpace > 0 && numberOfLines)
-            return availableFreeSpace / (2 * numberOfLines);
-        if (availableFreeSpace < 0)
+    if (numberOfLines > 1) {

[tony, 2014/05/19 16:43:45]

Nit: I would early return so there's less indention.

[harpreet.sk, 2014/05/20 07:39:43]

Done.

+        if (alignContent == AlignContentFlexEnd)
+            return availableFreeSpace;
+        if (alignContent == AlignContentCenter)
             return availableFreeSpace / 2;
+        if (alignContent == AlignContentSpaceAround) {
+            if (availableFreeSpace > 0 && numberOfLines)
+                return availableFreeSpace / (2 * numberOfLines);
+            if (availableFreeSpace < 0)
+                return availableFreeSpace / 2;
+        }
     }
     return 0;
 }
 
 static LayoutUnit alignContentSpaceBetweenChildren(LayoutUnit availableFreeSpace, EAlignContent alignContent, unsigned numberOfLines)
 {
     if (availableFreeSpace > 0 && numberOfLines > 1) {
         if (alignContent == AlignContentSpaceBetween)
             return availableFreeSpace / (numberOfLines - 1);
         if (alignContent == AlignContentSpaceAround || alignContent == AlignContentStretch)
@@ skipping 180 matching lines @@
             ASSERT(child);
             LayoutUnit lineCrossAxisExtent = lineContexts[lineNumber].crossAxisExtent;
             LayoutUnit originalOffset = lineContexts[lineNumber].crossAxisOffset - crossAxisStartEdge;
             LayoutUnit newOffset = contentExtent - originalOffset - lineCrossAxisExtent;
             adjustAlignmentForChild(child, newOffset - originalOffset);
         }
     }
 }
 
 }