Correct line width calculation with inline-block induced word spacing

Source/core/rendering/RenderBlockLineLayout.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All right reserved.
  * Copyright (C) 2010 Google 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 606 matching lines @@
 
             setLogicalWidthForTextRun(lineBox, r, rt, totalLogicalWidth, lineInfo, textBoxDataMap, verticalPositionCache, wordMeasurements);
         } else {
             isAfterExpansion = false;
             if (!r->m_object->isRenderInline()) {
                 RenderBox* renderBox = toRenderBox(r->m_object);
                 if (renderBox->isRubyRun())
                     setMarginsForRubyRun(r, toRenderRubyRun(renderBox), previousObject, lineInfo);
                 r->m_box->setLogicalWidth(logicalWidthForChild(renderBox).toFloat());
                 totalLogicalWidth += marginStartForChild(renderBox) + marginEndForChild(renderBox);
+                needsWordSpacing = true;
             }
         }
 
         totalLogicalWidth += r->m_box->logicalWidth();
         previousObject = r->m_object;
     }
 
     if (isAfterExpansion && !expansionOpportunities.isEmpty()) {
         expansionOpportunities.last()--;
         expansionOpportunityCount--;
@@ skipping 1408 matching lines @@
     float logicalLeft = logicalLeftOffsetForLine(logicalHeight(), false).toFloat();
     float availableLogicalWidth = logicalRightOffsetForLine(logicalHeight(), false) - logicalLeft;
     updateLogicalWidthForAlignment(textAlign, 0, 0, logicalLeft, totalLogicalWidth, availableLogicalWidth, 0);
 
     if (!style()->isLeftToRightDirection())
         return logicalWidth() - logicalLeft;
     return logicalLeft;
 }
 
 }