Swap over to using SkImageFilter::filterImage instead of filterImageDeprecated

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"
 #include "SkSpecialImage.h"
 #include "SkSpecialSurface.h"
 #include "Test.h"
+#include "TestingSpecialImageAccess.h"
 
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
 #endif
 
-class TestingSpecialImageAccess {
-public:
-    static const SkIRect& Subset(const SkSpecialImage* img) {
-        return img->subset();
-    }
-
-    static bool PeekPixels(const SkSpecialImage* img, SkPixmap* pixmap) {
-        return img->peekPixels(pixmap);
-    }
-
-    static GrTexture* PeekTexture(const SkSpecialImage* img) {
-        return img->peekTexture();
-    }
-};
 
 // This test creates backing resources exactly sized to [kFullSize x kFullSize].
 // It then wraps them in an SkSpecialImage with only the center (red) region being active.
 // It then draws the SkSpecialImage to a full sized (all blue) canvas and checks that none
 // of the inactive (green) region leaked out.
 
 static const int kSmallerSize = 10;
 static const int kPad = 3;
 static const int kFullSize = kSmallerSize + 2 * kPad;
 
@@ skipping 100 matching lines @@
 
     const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
 
     SkAutoTUnref<SkSpecialImage> img(SkSpecialImage::NewFromGpu(nullptr, subset, 
                                                                 kNeedNewImageUniqueID_SpecialImage,
                                                                 texture));
     test_image(img, reporter, false, true);
 }
 
 #endif