Bug 1133573 - Fix available size calculation of ruby text container. r=roc

--HG--
extra : source : 8d3b16b31e7e7369264155e51f93a0116e6b892e

layout/generic/nsRubyBaseContainerFrame.cpp

@@ -346,8 +346,8 @@ nsRubyBaseContainerFrame::Reflow(nsPresContext* aPresContext,
   }
 
   WritingMode lineWM = aReflowState.mLineLayout->GetWritingMode();
-  LogicalSize availSize(lineWM, aReflowState.AvailableWidth(),
-                        aReflowState.AvailableHeight());
+  LogicalSize availSize(lineWM, aReflowState.AvailableISize(),
+                        aReflowState.AvailableBSize());
 
   // We have a reflow state and a line layout for each RTC.
   // They are conceptually the state of the RTCs, but we don't actually