add ImageGenerator::NewFromData to porting layer

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
 #include "GrReducedClip.h"
 #endif
 
 #include "SkBlurImageFilter.h"
 #include "SkCanvas.h"
 #include "SkData.h"
-#include "SkDecodingImageGenerator.h"
 #include "SkDocument.h"
 #include "SkGradientShader.h"
 #include "SkImage.h"
 #include "SkMatrix.h"
 #include "SkPaint.h"
 #include "SkPath.h"
 #include "SkPictureRecorder.h"
 #include "SkPixelRef.h"
 #include "SkRRect.h"
 #include "SkString.h"
@@ skipping 1973 matching lines @@
         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, NULL);
         SkAutoDataUnref data(SkData::NewFromFileName(name));
         if (data.get()) {
-            SkImage* image = SkImage::NewFromGenerator(
-                SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()));
-
+            SkImage* image = SkImage::NewFromData(data);
             if (image) {
                 push_ref(L, image)->unref();
                 return 1;
             }
         }
     }
     return 0;
 }
 
 static void register_Sk(lua_State* L) {
@@ skipping 43 matching lines @@
     REG_CLASS(L, SkSurface);
     REG_CLASS(L, SkTextBlob);
     REG_CLASS(L, SkTypeface);
 }
 
 extern "C" int luaopen_skia(lua_State* L);
 extern "C" int luaopen_skia(lua_State* L) {
     SkLua::Load(L);
     return 0;
 }