switch surface to sk_sp

tests/PathTest.cpp

Index: tests/PathTest.cpp
diff --git a/tests/PathTest.cpp b/tests/PathTest.cpp
index 2ba40005d40ce2cb11df1a9d02f302c71517813d..dd6f41cbfae83371ff2e399053fd752128988da1 100644
--- a/tests/PathTest.cpp
+++ b/tests/PathTest.cpp
@@ -99,7 +99,7 @@ static void make_path_crbug364224_simplified(SkPath* path) {
 static void test_path_crbug364224() {
     SkPath path;
     SkPaint paint;
-    SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(84, 88));
+    auto surface(SkSurface::MakeRasterN32Premul(84, 88));
     SkCanvas* canvas = surface->getCanvas();
 
     make_path_crbug364224_simplified(&path);
@@ -293,7 +293,7 @@ static void test_bad_cubic_crbug234190() {
 
     SkPaint paint;
     paint.setAntiAlias(true);
-    SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(84, 88));
+    auto surface(SkSurface::MakeRasterN32Premul(84, 88));
     surface->getCanvas()->drawPath(path, paint);
 }
 
@@ -412,7 +412,7 @@ static void test_crbug_170666() {
     SkPaint paint;
     paint.setAntiAlias(true);
 
-    SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(1000, 1000));
+    auto surface(SkSurface::MakeRasterN32Premul(1000, 1000));
 
     build_path_simple_170666(path);
     surface->getCanvas()->drawPath(path, paint);
@@ -553,7 +553,7 @@ static void build_big_path(SkPath* path, bool reducedCase) {
 }
 
 static void test_clipped_cubic() {
-    SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(640, 480));
+    auto surface(SkSurface::MakeRasterN32Premul(640, 480));
 
     // This path used to assert, because our cubic-chopping code incorrectly
     // moved control points after the chop. This test should be run in SK_DEBUG
@@ -626,9 +626,7 @@ static void test_tricky_cubic() {
     SkPaint paint;
     paint.setAntiAlias(true);
 
-    SkSurface* surface = SkSurface::NewRasterN32Premul(19, 130);
-    surface->getCanvas()->drawPath(path, paint);
-    surface->unref();
+    SkSurface::MakeRasterN32Premul(19, 130)->getCanvas()->drawPath(path, paint);
 }
 
 // Inspired by http://code.google.com/p/chromium/issues/detail?id=141651