Rendering text-justify:distribute for 8 bit characters.

Source/core/rendering/RenderBlockLineLayout.cpp

Index: Source/core/rendering/RenderBlockLineLayout.cpp
diff --git a/Source/core/rendering/RenderBlockLineLayout.cpp b/Source/core/rendering/RenderBlockLineLayout.cpp
index 47a3923f800582d74908af2a5dbf2650c00ab1d4..6ac462c6afc1eeac10e5eb27252b948d7e6240df 100644
--- a/Source/core/rendering/RenderBlockLineLayout.cpp
+++ b/Source/core/rendering/RenderBlockLineLayout.cpp
@@ -645,9 +645,9 @@ BidiRun* RenderBlockFlow::computeInlineDirectionPositionsForSegment(RootInlineBo
                     toInlineTextBox(r->m_box)->setCanHaveLeadingExpansion(true);
                 unsigned opportunitiesInRun;
                 if (rt->is8Bit())
-                    opportunitiesInRun = Character::expansionOpportunityCount(rt->characters8() + r->m_start, r->m_stop - r->m_start, r->m_box->direction(), isAfterExpansion);
+                    opportunitiesInRun = Character::expansionOpportunityCount(rt->characters8() + r->m_start, r->m_stop - r->m_start, r->m_box->direction(), isAfterExpansion, (textJustify == TextJustifyDistribute));
                 else
-                    opportunitiesInRun = Character::expansionOpportunityCount(rt->characters16() + r->m_start, r->m_stop - r->m_start, r->m_box->direction(), isAfterExpansion);
+                    opportunitiesInRun = Character::expansionOpportunityCount(rt->characters16() + r->m_start, r->m_stop - r->m_start, r->m_box->direction(), isAfterExpansion, (textJustify == TextJustifyDistribute));
                 expansionOpportunities.append(opportunitiesInRun);
                 expansionOpportunityCount += opportunitiesInRun;
             }