Update SkSpecialImage API

src/core/SkSpecialSurface.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 "SkCanvas.h"
 #include "SkSpecialImage.h"
 #include "SkSpecialSurface.h"
@@ skipping 108 matching lines @@
         if (!device) {
             return;
         }
 
         fCanvas.reset(new SkCanvas(device));
     }
 
     ~SkSpecialSurface_Gpu() override { }
 
     SkSpecialImage* onNewImageSnapshot() override {
-        return SkSpecialImage::NewFromGpu(this->subset(), fTexture);
+        return SkSpecialImage::NewFromGpu(this->subset(),
+                                          kNeedNewImageUniqueID_SpecialImage, 
+                                          fTexture);
     }
 
 private:
     SkAutoTUnref<GrTexture> fTexture;
 
     typedef SkSpecialSurface_Base INHERITED;
 };
 
 SkSpecialSurface* SkSpecialSurface::NewFromTexture(const SkIRect& subset, GrTexture* texture,
                                                    const SkSurfaceProps* props) {
@@ skipping 28 matching lines @@
     return nullptr;
 }
 
 SkSpecialSurface* SkSpecialSurface::NewRenderTarget(GrContext* context,
                                                     const GrSurfaceDesc& desc,
                                                     const SkSurfaceProps* props) {
     return nullptr;
 }
 
 #endif