SkFontData to use smart pointers.

src/core/SkStream.cpp

Index: src/core/SkStream.cpp
diff --git a/src/core/SkStream.cpp b/src/core/SkStream.cpp
index 48eb92cae5c5631c1e4546f95e471040fa2297e9..e7b3a7a7e5777ff40de437a8628a441921b1b259 100644
--- a/src/core/SkStream.cpp
+++ b/src/core/SkStream.cpp
@@ -10,6 +10,7 @@
 #include "SkStreamPriv.h"
 #include "SkData.h"
 #include "SkFixed.h"
+#include "SkMakeUnique.h"
 #include "SkString.h"
 #include "SkOSFile.h"
 #include "SkTypes.h"
@@ -854,20 +855,18 @@ static sk_sp<SkData> mmap_filename(const char path[]) {
     return data;
 }
 
-SkStreamAsset* SkStream::NewFromFile(const char path[]) {
+std::unique_ptr<SkStreamAsset> SkStream::MakeFromFile(const char path[]) {
     auto data(mmap_filename(path));
     if (data) {
-        return new SkMemoryStream(std::move(data));
+        return skstd::make_unique<SkMemoryStream>(std::move(data));
     }
 
-    // If we get here, then our attempt at using mmap failed, so try normal
-    // file access.
-    SkFILEStream* stream = new SkFILEStream(path);
+    // If we get here, then our attempt at using mmap failed, so try normal file access.
+    auto stream = skstd::make_unique<SkFILEStream>(path);
     if (!stream->isValid()) {
-        delete stream;
-        stream = nullptr;
+        return nullptr;
     }
-    return stream;
+    return std::move(stream);
 }
 
 // Declared in SkStreamPriv.h: