remove imagefilter::sizeconstraint

src/core/SkDevice.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkColorFilter.h"
 #include "SkDevice.h"
 #include "SkDraw.h"
@@ skipping 400 matching lines @@
         SkBitmap dst;
         SkIPoint offset = SkIPoint::Make(0, 0);
         SkMatrix matrix = *draw.fMatrix;
         matrix.postTranslate(SkIntToScalar(-x), SkIntToScalar(-y));
 #ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
         const SkIRect clipBounds = bitmap.bounds();
 #else
         const SkIRect clipBounds = draw.fClip->getBounds().makeOffset(-x, -y);
 #endif
         SkAutoTUnref<SkImageFilter::Cache> cache(this->getImageFilterCache());
-        SkImageFilter::Context ctx(matrix, clipBounds, cache.get(),
-                                   SkImageFilter::kApprox_SizeConstraint);
+        SkImageFilter::Context ctx(matrix, clipBounds, cache.get());
         if (filter->filterImage(&proxy, bitmap, ctx, &dst, &offset)) {
             SkPaint tmpUnfiltered(paint);
             tmpUnfiltered.setImageFilter(nullptr);
             this->drawSprite(draw, dst, x + offset.x(), y + offset.y(), tmpUnfiltered);
         }
     } else {
         this->drawSprite(draw, bitmap, x, y, paint);
     }
 }
 
 uint32_t SkBaseDevice::filterTextFlags(const SkPaint& paint) const {
     uint32_t flags = paint.getFlags();
 
     if (!paint.isLCDRenderText() || !paint.isAntiAlias()) {
         return flags;
     }
 
     if (kUnknown_SkPixelGeometry == fSurfaceProps.pixelGeometry()
         || this->onShouldDisableLCD(paint)) {
 
         flags &= ~SkPaint::kLCDRenderText_Flag;
         flags |= SkPaint::kGenA8FromLCD_Flag;
     }
 
     return flags;
 }