Revert of Fix bounds computation of all 0-input filters.

src/effects/SkPictureImageFilter.cpp

Index: src/effects/SkPictureImageFilter.cpp
diff --git a/src/effects/SkPictureImageFilter.cpp b/src/effects/SkPictureImageFilter.cpp
index 30fbac184a01281d349ee693ce5229c78f817970..bed19ef89d5a081b07c65d7c32c15c1c13e7e5d8 100644
--- a/src/effects/SkPictureImageFilter.cpp
+++ b/src/effects/SkPictureImageFilter.cpp
@@ -110,3 +110,10 @@
     offset->fY = bounds.fTop;
     return true;
 }
+
+bool SkPictureImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
+                                          SkIRect* dst) const {
+    *dst = src;
+    return true;
+}
+