Make SkStream *not* ref counted.

src/fonts/SkFontMgr_fontconfig.cpp

Index: src/fonts/SkFontMgr_fontconfig.cpp
diff --git a/src/fonts/SkFontMgr_fontconfig.cpp b/src/fonts/SkFontMgr_fontconfig.cpp
index a3989fca75cdfc39c260c75f4ddf5d981f10feb3..c1d531d3f5348cd7a621de9ec1919cdb41010945 100644
--- a/src/fonts/SkFontMgr_fontconfig.cpp
+++ b/src/fonts/SkFontMgr_fontconfig.cpp
@@ -296,6 +296,7 @@ protected:
     SkTypeface* onCreateFromData(SkData*, int ttcIndex) const SK_OVERRIDE { return NULL; }
 
     SkTypeface* onCreateFromStream(SkStream* stream, int ttcIndex) const SK_OVERRIDE {
+        SkAutoTDelete<SkStream> streamDeleter(stream);
         const size_t length = stream->getLength();
         if (!length) {
             return NULL;
@@ -311,13 +312,13 @@ protected:
             return NULL;
         }
 
-        SkTypeface* face = FontConfigTypeface::Create(style, isFixedWidth, stream);
+        SkTypeface* face = FontConfigTypeface::Create(style, isFixedWidth, streamDeleter.detach());
         return face;
     }
 
     SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const SK_OVERRIDE {
-        SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path));
-        return stream.get() ? this->createFromStream(stream, ttcIndex) : NULL;
+        SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(path));
+        return stream.get() ? this->createFromStream(stream.detach(), ttcIndex) : NULL;
     }
 
     virtual SkTypeface* onLegacyCreateTypeface(const char familyName[],