Begin removing deprecated (and now, unused) ImageFilter code paths

src/effects/SkXfermodeImageFilter.cpp

 /*
  * Copyright 2013 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkXfermodeImageFilter.h"
 
 #include "SkCanvas.h"
@@ skipping 239 matching lines @@
 
     SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(dst->asRenderTarget()));
     if (!drawContext) {
         return nullptr;
     }
 
     SkMatrix matrix;
     matrix.setTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
     drawContext->drawRect(GrClip::WideOpen(), paint, matrix, SkRect::Make(bounds));
 
-    return SkSpecialImage::MakeFromGpu(source->internal_getProxy(),
-                                       SkIRect::MakeWH(bounds.width(), bounds.height()),
+    return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(bounds.width(), bounds.height()),
                                        kNeedNewImageUniqueID_SpecialImage,
                                        dst.get());
 }
 
 #endif