Pass the correct value for the available width to updateLogicalWidthForAlignment() after placing an…

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 1941 matching lines @@
             // can be truncated.  In order for truncation to be possible, the line must have sufficient space to
             // accommodate our truncation string, and no replaced elements (images, tables) can overlap the ellipsis
             // space.
 
             LayoutUnit width = firstLine ? firstLineEllipsisWidth : ellipsisWidth;
             LayoutUnit blockEdge = ltr ? blockRightEdge : blockLeftEdge;
             if (curr->lineCanAccommodateEllipsis(ltr, blockEdge, lineBoxEdge, width)) {
                 float totalLogicalWidth = curr->placeEllipsis(ellipsisStr, ltr, blockLeftEdge, blockRightEdge, width);
 
                 float logicalLeft = 0; // We are only intersted in the delta from the base position.
-                float truncatedWidth = pixelSnappedLogicalRightOffsetForLine(curr->lineTop(), firstLine);
-                updateLogicalWidthForAlignment(textAlign, curr, 0, logicalLeft, totalLogicalWidth, truncatedWidth, 0);
+                float snappedLogicalLeft = pixelSnappedLogicalLeftOffsetForLine(curr->lineTop(), firstLine);
+                float availableLogicalWidth = pixelSnappedLogicalRightOffsetForLine(curr->lineTop(), firstLine) - snappedLogicalLeft;
+                updateLogicalWidthForAlignment(textAlign, curr, 0, logicalLeft, totalLogicalWidth, availableLogicalWidth, 0);
                 if (ltr)
                     curr->adjustLogicalPosition(logicalLeft, 0);
                 else
-                    curr->adjustLogicalPosition(-(truncatedWidth - (logicalLeft + totalLogicalWidth)), 0);
+                    curr->adjustLogicalPosition(logicalLeft - (availableLogicalWidth - totalLogicalWidth), 0);
             }
         }
         firstLine = false;
     }
 }
 
 bool RenderBlockFlow::positionNewFloatOnLine(FloatingObject* newFloat, FloatingObject* lastFloatFromPreviousLine, LineInfo& lineInfo, LineWidth& width)
 {
     if (!positionNewFloats())
         return false;
@@ skipping 58 matching lines @@
     float logicalLeft = logicalLeftOffsetForLine(logicalHeight(), false);
     float availableLogicalWidth = logicalRightOffsetForLine(logicalHeight(), false) - logicalLeft;
     updateLogicalWidthForAlignment(textAlign, 0, 0, logicalLeft, totalLogicalWidth, availableLogicalWidth, 0);
 
     if (!style()->isLeftToRightDirection())
         return logicalWidth() - logicalLeft;
     return logicalLeft;
 }
 
 }