Make SkStream *not* ref counted.

src/ports/SkFontMgr_fontconfig.cpp

Index: src/ports/SkFontMgr_fontconfig.cpp
diff --git a/src/ports/SkFontMgr_fontconfig.cpp b/src/ports/SkFontMgr_fontconfig.cpp
index b5e4eaed647fa8d36526dba65b73ec1c002bb8ca..ad490032c1a489725b4ac7156b855b4312b94334 100644
--- a/src/ports/SkFontMgr_fontconfig.cpp
+++ b/src/ports/SkFontMgr_fontconfig.cpp
@@ -397,7 +397,7 @@ public:
     }
 
 private:
-    SkAutoTUnref<SkStreamAsset> fStream;
+    SkAutoTDelete<SkStreamAsset> fStream;
     int fIndex;
 
     typedef SkTypeface_FreeType INHERITED;
@@ -827,13 +827,11 @@ protected:
     }
 
     SkTypeface* onCreateFromData(SkData* data, int ttcIndex) const SK_OVERRIDE {
-        SkAutoTUnref<SkStreamAsset> stream(SkNEW_ARGS(SkMemoryStream, (data)));
-        return this->createFromStream(stream, ttcIndex);
+        return this->createFromStream(SkNEW_ARGS(SkMemoryStream, (data)), ttcIndex);
     }
 
     SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const SK_OVERRIDE {
-        SkAutoTUnref<SkStreamAsset> stream(SkStream::NewFromFile(path));
-        return this->createFromStream(stream, ttcIndex);
+        return this->createFromStream(SkStream::NewFromFile(path), ttcIndex);
     }
 
     virtual SkTypeface* onLegacyCreateTypeface(const char familyName[],