Switch internal testing ImageFilters over to new onFilterImage interface

tests/ImageFilterTest.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 "SkBitmap.h"
 #include "SkBitmapDevice.h"
 #include "SkBlurImageFilter.h"
@@ skipping 42 matching lines @@
 public:
     static sk_sp<SkImageFilter> Make(skiatest::Reporter* reporter,
                                      const SkMatrix& expectedMatrix) {
         return sk_sp<SkImageFilter>(new MatrixTestImageFilter(reporter, expectedMatrix));
     }
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(MatrixTestImageFilter)
 
 protected:
-    bool onFilterImageDeprecated(Proxy*, const SkBitmap& src, const Context& ctx,
-                                 SkBitmap* result, SkIPoint* offset) const override {
+    sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context& ctx,
+                                        SkIPoint* offset) const override {
         REPORTER_ASSERT(fReporter, ctx.ctm() == fExpectedMatrix);
-        return true;
+        offset->fX = offset->fY = 0;
+        return sk_ref_sp<SkSpecialImage>(source);
     }
 
     void flatten(SkWriteBuffer& buffer) const override {
         this->INHERITED::flatten(buffer);
         buffer.writeFunctionPtr(fReporter);
         buffer.writeMatrix(fExpectedMatrix);
     }
 
 private:
     MatrixTestImageFilter(skiatest::Reporter* reporter, const SkMatrix& expectedMatrix)
@@ skipping 1551 matching lines @@
 
     test_xfermode_cropped_input(&canvas, reporter);
 }
 
 DEF_GPUTEST_FOR_ALL_CONTEXTS(BlurLargeImage_Gpu, reporter, context) {
     auto surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kYes,
                                              SkImageInfo::MakeN32Premul(100, 100)));
     test_large_blur_input(reporter, surface->getCanvas());
 }
 #endif