Have RenderBlockFlow sub-classes' methods call their super-class method properly.

Source/core/rendering/RenderRubyText.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 49 matching lines @@
 
     // The default behavior is to allow ruby text to expand if it is shorter than the ruby base.
     return JUSTIFY;
 }
 
 void RenderRubyText::adjustInlineDirectionLineBounds(int expansionOpportunityCount, float& logicalLeft, float& logicalWidth) const
 {
     ETextAlign textAlign = style()->textAlign();
     // FIXME: This check is bogus since user can set the initial value.
     if (textAlign != RenderStyle::initialTextAlign())
-        return RenderBlock::adjustInlineDirectionLineBounds(expansionOpportunityCount, logicalLeft, logicalWidth);
+        return RenderBlockFlow::adjustInlineDirectionLineBounds(expansionOpportunityCount, logicalLeft, logicalWidth);
 
     int maxPreferredLogicalWidth = this->maxPreferredLogicalWidth();
     if (maxPreferredLogicalWidth >= logicalWidth)
         return;
 
     // Inset the ruby text by half the inter-ideograph expansion amount, but no more than a full-width
     // ruby character on each side.
     float inset = (logicalWidth - maxPreferredLogicalWidth) / (expansionOpportunityCount + 1);
     if (expansionOpportunityCount)
         inset = min<float>(2 * style()->fontSize(), inset);
 
     logicalLeft += inset / 2;
     logicalWidth -= inset;
 }
 
 bool RenderRubyText::avoidsFloats() const
 {
     return true;
 }
 
 } // namespace WebCore