Cleanup use of legacy SkSurface creation methods a bit

platform_tools/android/examples/hello_skia_app/jni/helloskia.cpp

Index: platform_tools/android/examples/hello_skia_app/jni/helloskia.cpp
diff --git a/platform_tools/android/examples/hello_skia_app/jni/helloskia.cpp b/platform_tools/android/examples/hello_skia_app/jni/helloskia.cpp
index dec529ff3c3833c508879c6d7f4a49e81fa866aa..2e12d37a6ba57d49c7a7e324145cca0a2c3e0ab8 100644
--- a/platform_tools/android/examples/hello_skia_app/jni/helloskia.cpp
+++ b/platform_tools/android/examples/hello_skia_app/jni/helloskia.cpp
@@ -1,3 +1,10 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
 #include <math.h>
 #include <jni.h>
 #include <android/bitmap.h>
@@ -29,7 +36,7 @@ JNIEXPORT void JNICALL Java_com_example_HelloSkiaActivity_drawIntoBitmap(JNIEnv*
     SkImageInfo info = SkImageInfo::MakeN32Premul(dstInfo.width, dstInfo.height);
 
     // Create a surface from the given bitmap
-    SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterDirect(info, dstPixels, dstInfo.stride));
+    sk_sp<SkSurface> surface(SkSurface::MakeRasterDirect(info, dstPixels, dstInfo.stride));
     SkCanvas* canvas = surface->getCanvas();
 
     // Draw something "interesting"