Make SkStream *not* ref counted.

src/ports/SkFontHost_win.cpp

Index: src/ports/SkFontHost_win.cpp
diff --git a/src/ports/SkFontHost_win.cpp b/src/ports/SkFontHost_win.cpp
index 6f4a60341f1ccb682492f8a006d9c9758fe5d23f..60c77eed7e5612ed9d03fc27fc02494543ac1b15 100755
--- a/src/ports/SkFontHost_win.cpp
+++ b/src/ports/SkFontHost_win.cpp
@@ -2486,14 +2486,12 @@ protected:
 
     SkTypeface* onCreateFromData(SkData* data, int ttcIndex) const SK_OVERRIDE {
         // could be in base impl
-        SkAutoTUnref<SkStream> stream(SkNEW_ARGS(SkMemoryStream, (data)));
-        return this->createFromStream(stream);
+        return this->createFromStream(SkNEW_ARGS(SkMemoryStream, (data)));
     }
 
     SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const SK_OVERRIDE {
         // could be in base impl
-        SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path));
-        return this->createFromStream(stream);
+        return this->createFromStream(SkStream::NewFromFile(path));
     }
 
     virtual SkTypeface* onLegacyCreateTypeface(const char familyName[],