Fix recursive computation of filter bounds for drop shadow,

src/effects/SkMorphologyImageFilter.cpp

Index: src/effects/SkMorphologyImageFilter.cpp
diff --git a/src/effects/SkMorphologyImageFilter.cpp b/src/effects/SkMorphologyImageFilter.cpp
index eef2a7d62323efdf49876a18d8213f53fc551c13..6a6dd4d451613783405e5b85207177c1c0c2dc72 100644
--- a/src/effects/SkMorphologyImageFilter.cpp
+++ b/src/effects/SkMorphologyImageFilter.cpp
@@ -248,13 +248,13 @@ void SkMorphologyImageFilter::computeFastBounds(const SkRect& src, SkRect* dst)
 bool SkMorphologyImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
                                              SkIRect* dst) const {
     SkIRect bounds = src;
-    if (getInput(0) && !getInput(0)->filterBounds(src, ctm, &bounds)) {
-        return false;
-    }
     SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()),
                                      SkIntToScalar(this->radius().height()));
     ctm.mapVectors(&radius, 1);
     bounds.outset(SkScalarCeilToInt(radius.x()), SkScalarCeilToInt(radius.y()));
+    if (getInput(0) && !getInput(0)->filterBounds(bounds, ctm, &bounds)) {
+        return false;
+    }
     *dst = bounds;
     return true;
 }