Use unique_ptr instead of SkAutoTDelete.

Skia would like to make SkAutoTDelete private, given that unique_ptr
now exists and is a better standard alternative.

Change-Id: Ie21bc4546c93e2096c1e43b26eb3ef80b8f11de4
diff --git a/core/jni/android/graphics/Picture.h b/core/jni/android/graphics/Picture.h
index a9db648..26a4f6a 100644
--- a/core/jni/android/graphics/Picture.h
+++ b/core/jni/android/graphics/Picture.h
@@ -20,7 +20,8 @@
 #include "SkPicture.h"
 #include "SkPictureRecorder.h"
 #include "SkRefCnt.h"
-#include "SkTemplates.h"
+
+#include <memory>
 
 class SkStream;
 class SkWStream;
@@ -55,7 +56,7 @@
     int mWidth;
     int mHeight;
     SkAutoTUnref<const SkPicture> mPicture;
-    SkAutoTDelete<SkPictureRecorder> mRecorder;
+    std::unique_ptr<SkPictureRecorder> mRecorder;
 
     // Make a copy of a picture that is in the midst of being recorded. The
     // resulting picture will have balanced saves and restores.