Rendering text-justify:distribute for 8 bit characters.

Source/platform/fonts/mac/ComplexTextController.cpp

Index: Source/platform/fonts/mac/ComplexTextController.cpp
diff --git a/Source/platform/fonts/mac/ComplexTextController.cpp b/Source/platform/fonts/mac/ComplexTextController.cpp
index 652835589dc2f9131852360900bcb620b9476a69..57fa40aa0a41ff4134d4cb5f2c8b2faa879f6a2e 100644
--- a/Source/platform/fonts/mac/ComplexTextController.cpp
+++ b/Source/platform/fonts/mac/ComplexTextController.cpp
@@ -68,9 +68,9 @@ ComplexTextController::ComplexTextController(const Font* font, const TextRun& ru
         bool isAfterExpansion = m_afterExpansion;
         unsigned expansionOpportunityCount;
         if (m_run.is8Bit())
-            expansionOpportunityCount = Character::expansionOpportunityCount(m_run.characters8(), m_end, m_run.direction(), isAfterExpansion);
+            expansionOpportunityCount = Character::expansionOpportunityCount(m_run.characters8(), m_end, m_run.direction(), isAfterExpansion, m_run.textJustifyStore());
          else
-            expansionOpportunityCount = Character::expansionOpportunityCount(m_run.characters16(), m_end, m_run.direction(), isAfterExpansion);
+            expansionOpportunityCount = Character::expansionOpportunityCount(m_run.characters16(), m_end, m_run.direction(), isAfterExpansion, m_run.textJustifyStore());
         if (isAfterExpansion && !m_run.allowsTrailingExpansion())
             expansionOpportunityCount--;