Make SkStream *not* ref counted.

include/core/SkTypeface.h

Index: include/core/SkTypeface.h
diff --git a/include/core/SkTypeface.h b/include/core/SkTypeface.h
index c2aa543ab2748003f018e7f5fe4ea5019da44b38..ecf582bd88243a47b6d9b52f6f6feb60bca6a2e0 100644
--- a/include/core/SkTypeface.h
+++ b/include/core/SkTypeface.h
@@ -145,6 +145,7 @@ public:
         to a typeface referring to the same font. If that font is not available,
         return null. If an instance is returned, the caller is responsible for
         calling unref() when they are done with it.
+        Does not affect ownership of SkStream.
      */
     static SkTypeface* Deserialize(SkStream*);
 
@@ -276,6 +277,7 @@ public:
      *  If ttcIndex is not null, it is set to the TrueTypeCollection index
      *  of this typeface within the stream, or 0 if the stream is not a
      *  collection.
+     *  The caller is responsible for deleting the stream.
      */
     SkStream* openStream(int* ttcIndex) const;