Remove SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS (now unused).

src/core/SkCanvas.cpp

Index: src/core/SkCanvas.cpp
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index e577b21932649871180b61ab81b03c4762977ef9..cd7c6f8a140e92b3c6ef66bc78fc2287bec85dc8 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -1071,25 +1071,11 @@ bool SkCanvas::clipRectBounds(const SkRect* bounds, SaveLayerFlags saveLayerFlag
 
     const SkMatrix& ctm = fMCRec->fMatrix;  // this->getTotalMatrix()
 
-// This is a temporary hack, until individual filters can do their own
-// bloating, when this will be removed.
-#ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
-    SkRect storage;
-#endif
     if (imageFilter) {
         imageFilter->filterBounds(clipBounds, ctm, &clipBounds);
-#ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
-        if (bounds && imageFilter->canComputeFastBounds()) {
-            imageFilter->computeFastBounds(*bounds, &storage);
-            bounds = &storage;
-        } else {
-            bounds = nullptr;
-        }
-#else
         if (bounds && !imageFilter->canComputeFastBounds()) {
             bounds = nullptr;
         }
-#endif
     }
     SkIRect ir;
     if (bounds) {
@@ -1433,11 +1419,7 @@ void SkCanvas::internalDrawDevice(SkBaseDevice* srcDev, int x, int y,
             const SkBitmap& src = srcDev->accessBitmap(false);
             SkMatrix matrix = *iter.fMatrix;
             matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y()));
-#ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
-            SkIRect clipBounds = SkIRect::MakeWH(srcDev->width(), srcDev->height());
-#else
             SkIRect clipBounds = iter.fClip->getBounds().makeOffset(-pos.x(), -pos.y());
-#endif
             SkAutoTUnref<SkImageFilter::Cache> cache(dstDev->getImageFilterCache());
             SkImageFilter::Context ctx(matrix, clipBounds, cache.get());
             if (filter->filterImage(&proxy, src, ctx, &dst, &offset)) {