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

src/core/SkCanvas.cpp

 /*
  * Copyright 2008 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 "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkCanvasPriv.h"
@@ skipping 1391 matching lines @@
         paint = &tmp;
     }
 
     LOOPER_BEGIN_DRAWDEVICE(*paint, SkDrawFilter::kBitmap_Type)
     while (iter.next()) {
         SkBaseDevice* dstDev = iter.fDevice;
         paint = &looper.paint();
         SkImageFilter* filter = paint->getImageFilter();
         SkIPoint pos = { x - iter.getX(), y - iter.getY() };
         if (filter) {
-            SkImageFilter::DeviceProxy proxy(dstDev);
             SkIPoint offset = SkIPoint::Make(0, 0);
             const SkBitmap& srcBM = srcDev->accessBitmap(false);
             SkMatrix matrix = *iter.fMatrix;
             matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y()));
             const SkIRect clipBounds = iter.fClip->getBounds().makeOffset(-pos.x(), -pos.y());
             SkAutoTUnref<SkImageFilter::Cache> cache(dstDev->getImageFilterCache());
             SkImageFilter::Context ctx(matrix, clipBounds, cache.get());
 
-            sk_sp<SkSpecialImage> srcImg(SkSpecialImage::internal_fromBM(&proxy, srcBM,
+            sk_sp<SkSpecialImage> srcImg(SkSpecialImage::internal_fromBM(srcBM,
                                                                          &dstDev->surfaceProps()));
             if (!srcImg) {
                 continue; // something disastrous happened
             }
 
             sk_sp<SkSpecialImage> resultImg(filter->filterImage(srcImg.get(), ctx, &offset));
             if (resultImg) {
                 SkPaint tmpUnfiltered(*paint);
                 tmpUnfiltered.setImageFilter(nullptr);
                 SkBitmap resultBM;
@@ skipping 1621 matching lines @@
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }
 
 #ifdef SK_SUPPORT_LEGACY_NEW_SURFACE_API
 SkSurface* SkCanvas::newSurface(const SkImageInfo& info, const SkSurfaceProps* props) {
     return this->makeSurface(info, props).release();
 }
 #endif