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

src/effects/SkDisplacementMapEffect.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 "SkDisplacementMapEffect.h"
 
 #include "SkBitmap.h"
@@ skipping 337 matching lines @@
 
         SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(dst->asRenderTarget()));
         if (!drawContext) {
             return nullptr;
         }
 
         drawContext->drawRect(GrClip::WideOpen(), paint, matrix, SkRect::Make(colorBounds));
 
         offset->fX = bounds.left();
         offset->fY = bounds.top();
-        return SkSpecialImage::MakeFromGpu(source->internal_getProxy(),
-                                           SkIRect::MakeWH(bounds.width(), bounds.height()),
+        return SkSpecialImage::MakeFromGpu(SkIRect::MakeWH(bounds.width(), bounds.height()),
                                            kNeedNewImageUniqueID_SpecialImage,
                                            dst);
     }
 #endif
 
     SkBitmap colorBM, displBM;
 
     if (!color->getROPixels(&colorBM) || !displ->getROPixels(&displBM)) {
         return nullptr;
     }
@@ skipping 16 matching lines @@
         return nullptr;
     }
 
     SkAutoLockPixels dstLock(dst);
 
     computeDisplacement(fXChannelSelector, fYChannelSelector, scale, &dst,
                         displBM, colorOffset - displOffset, colorBM, colorBounds);
 
     offset->fX = bounds.left();
     offset->fY = bounds.top();
-    return SkSpecialImage::MakeFromRaster(source->internal_getProxy(),
-                                          SkIRect::MakeWH(bounds.width(), bounds.height()),
+    return SkSpecialImage::MakeFromRaster(SkIRect::MakeWH(bounds.width(), bounds.height()),
                                           dst);
 }
 
 SkRect SkDisplacementMapEffect::computeFastBounds(const SkRect& src) const {
     SkRect bounds = this->getColorInput() ? this->getColorInput()->computeFastBounds(src) : src;
     bounds.outset(SkScalarAbs(fScale) * SK_ScalarHalf, SkScalarAbs(fScale) * SK_ScalarHalf);
     return bounds;
 }
 
 SkIRect SkDisplacementMapEffect::onFilterNodeBounds(const SkIRect& src, const SkMatrix& ctm,
@@ skipping 220 matching lines @@
 void GrGLDisplacementMapEffect::GenKey(const GrProcessor& proc,
                                        const GrGLSLCaps&, GrProcessorKeyBuilder* b) {
     const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMapEffect>();
 
     uint32_t xKey = displacementMap.xChannelSelector();
     uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBits;
 
     b->add32(xKey | yKey);
 }
 #endif