Remove SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS (now unused).

src/effects/SkTileImageFilter.cpp

Index: src/effects/SkTileImageFilter.cpp
diff --git a/src/effects/SkTileImageFilter.cpp b/src/effects/SkTileImageFilter.cpp
index 6da572b3b85bee4fe919a31338c5b7b486136398..55eb8a1d64e0a6133c97ba8cfe327e1348f10ed1 100644
--- a/src/effects/SkTileImageFilter.cpp
+++ b/src/effects/SkTileImageFilter.cpp
@@ -113,9 +113,6 @@ void SkTileImageFilter::onFilterNodeBounds(const SkIRect& src, const SkMatrix& c
     SkRect rect = kReverse_MapDirection == direction ? fSrcRect : fDstRect;
     ctm.mapRect(&rect);
     rect.roundOut(dst);
-#ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
-    dst->join(src);
-#endif
 }
 
 bool SkTileImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
@@ -125,13 +122,7 @@ bool SkTileImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
 }
 
 void SkTileImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) const {
-#ifdef SK_SUPPORT_SRC_BOUNDS_BLOAT_FOR_IMAGEFILTERS
-    // This is a workaround for skia:3194.
-    *dst = src;
-    dst->join(fDstRect);
-#else
     *dst = fDstRect;
-#endif
 }
 
 SkFlattenable* SkTileImageFilter::CreateProc(SkReadBuffer& buffer) {