Move off SK_SUPPORT_LEGACY_DATA_FACTORIES.

src/utils/SkTextureCompressor.h

Index: src/utils/SkTextureCompressor.h
diff --git a/src/utils/SkTextureCompressor.h b/src/utils/SkTextureCompressor.h
index d4d48967a3dd66c235158d63d8acb5881d5c1310..1ae4aef1323363025263c7a67b30a8b724f51081 100644
--- a/src/utils/SkTextureCompressor.h
+++ b/src/utils/SkTextureCompressor.h
@@ -56,9 +56,8 @@ namespace SkTextureCompressor {
 
     // Returns an SkData holding a blob of compressed data that corresponds
     // to the pixmap. If the pixmap colorType cannot be compressed using the
-    // associated format, then we return nullptr. The caller is responsible for
-    // calling unref() on the returned data.
-    SkData* CompressBitmapToFormat(const SkPixmap&, Format format);
+    // associated format, then we return nullptr.
+    sk_sp<SkData> CompressBitmapToFormat(const SkPixmap&, Format format);
 
     // Compresses the given src data into dst. The src data is assumed to be
     // large enough to hold width*height pixels. The dst data is expected to