Update SkSpecialImage API

tests/SpecialImageTest.cpp

 /*
  * 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 "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkImage.h"
@@ skipping 92 matching lines @@
                                                           kSmallerSize+kPad-1));
     REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kSmallerSize+kPad,
                                                           kSmallerSize+kPad));
 }
 
 DEF_TEST(SpecialImage_Raster, reporter) {
     SkBitmap bm = create_bm();
 
     const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
 
-    SkAutoTUnref<SkSpecialImage> img(SkSpecialImage::NewFromRaster(subset, bm));
+    SkAutoTUnref<SkSpecialImage> img(SkSpecialImage::NewFromRaster(nullptr, subset, bm));
     test_image(img, reporter, true, false);
 }
 
 DEF_TEST(SpecialImage_Image, reporter) {
     SkBitmap bm = create_bm();
 
     SkAutoTUnref<SkImage> fullImage(SkImage::NewFromBitmap(bm));
 
     const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
 
@@ skipping 12 matching lines @@
     desc.fHeight = kFullSize;
 
     SkAutoTUnref<GrTexture> texture(context->textureProvider()->createTexture(desc, false,
                                                                               bm.getPixels(), 0));
     if (!texture) {
         return;
     }
 
     const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
 
-    SkAutoTUnref<SkSpecialImage> img(SkSpecialImage::NewFromGpu(subset, texture));
+    SkAutoTUnref<SkSpecialImage> img(SkSpecialImage::NewFromGpu(nullptr, subset, 
+                                                                kNeedNewImageUniqueID_SpecialImage,
+                                                                texture));
     test_image(img, reporter, false, true);
 }
 
 #endif