update callsites for Make image factories

src/utils/SkLua.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLua.h"
 
 #if SK_SUPPORT_GPU
@@ skipping 1738 matching lines @@
         // note: we don't unref canvas, since getCanvas did not ref it.
         // warning: this is weird: now Lua owns a ref on this canvas, but what if they let
         // the real owner (the surface) go away, but still hold onto the canvas?
         // *really* we want to sort of ref the surface again, but have the native object
         // know that it is supposed to be treated as a canvas...
     }
     return 1;
 }
 
 static int lsurface_newImageSnapshot(lua_State* L) {
-    SkImage* image = get_ref<SkSurface>(L, 1)->newImageSnapshot();
-    if (nullptr == image) {
+    sk_sp<SkImage> image = get_ref<SkSurface>(L, 1)->makeImageSnapshot();
+    if (!image) {
         lua_pushnil(L);
     } else {
-        push_ref(L, image)->unref();
+        push_ref(L, image);
     }
     return 1;
 }
 
 static int lsurface_newSurface(lua_State* L) {
     int width = lua2int_def(L, 2, 0);
     int height = lua2int_def(L, 3, 0);
     SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
     SkSurface* surface = get_ref<SkSurface>(L, 1)->newSurface(info);
     if (nullptr == surface) {
@@ skipping 294 matching lines @@
         lua_pushnil(L);
     } else {
         push_ref(L, surface)->unref();
     }
     return 1;
 }
 
 static int lsk_loadImage(lua_State* L) {
     if (lua_gettop(L) > 0 && lua_isstring(L, 1)) {
         const char* name = lua_tolstring(L, 1, nullptr);
-        SkAutoDataUnref data(SkData::NewFromFileName(name));
-        if (data.get()) {
-            SkImage* image = SkImage::NewFromEncoded(data);
+        sk_sp<SkData> data(SkData::MakeFromFileName(name));
+        if (data) {
+            auto image = SkImage::MakeFromEncoded(std::move(data));
             if (image) {
-                push_ref(L, image)->unref();
+                push_ref(L, std::move(image));
                 return 1;
             }
         }
     }
     return 0;
 }
 
 static void register_Sk(lua_State* L) {
     lua_newtable(L);
     lua_pushvalue(L, -1);
@@ skipping 43 matching lines @@
     REG_CLASS(L, SkTextBlob);
     REG_CLASS(L, SkTypeface);
     REG_CLASS(L, SkXfermode);
 }
 
 extern "C" int luaopen_skia(lua_State* L);
 extern "C" int luaopen_skia(lua_State* L) {
     SkLua::Load(L);
     return 0;
 }