Revert 122501 - Percentage width replaced element in zero percent/fixed width container block incor…

Source/WebCore/rendering/RenderBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 2166 matching lines @@
         case ViewportPercentageWidth:
         case ViewportPercentageHeight:
         case ViewportPercentageMin:
             return computeContentBoxLogicalWidth(valueForLength(logicalWidth, 0, view()));
         case Percent: 
         case Calculated: {
             // FIXME: containingBlockLogicalWidthForContent() is wrong if the replaced element's block-flow is perpendicular to the
             // containing block's block-flow.
             // https://bugs.webkit.org/show_bug.cgi?id=46496
             const LayoutUnit cw = isOutOfFlowPositioned() ? containingBlockLogicalWidthForPositioned(toRenderBoxModelObject(container())) : containingBlockLogicalWidthForContent();
-            Length containerLogicalWidth = containingBlock()->style()->logicalWidth();
-            // FIXME: Handle cases when containing block width is calculated or viewport percent.
-            // https://bugs.webkit.org/show_bug.cgi?id=91071
-            if (cw > 0 || (!cw && (containerLogicalWidth.isFixed() || containerLogicalWidth.isPercent())))
+            if (cw > 0)
                 return computeContentBoxLogicalWidth(minimumValueForLength(logicalWidth, cw));
         }
         // fall through
         default:
             return intrinsicLogicalWidth();
      }
 }
 
 LayoutUnit RenderBox::computeReplacedLogicalHeight() const
 {
@@ skipping 1809 matching lines @@
     }
 
     if (didSplitParentAnonymousBoxes)
         markBoxForRelayoutAfterSplit(this);
 
     ASSERT(beforeChild->parent() == this);
     return beforeChild;
 }
 
 } // namespace WebCore