Clean up SkImageFilter constructors.

src/effects/SkMorphologyImageFilter.cpp

Index: src/effects/SkMorphologyImageFilter.cpp
diff --git a/src/effects/SkMorphologyImageFilter.cpp b/src/effects/SkMorphologyImageFilter.cpp
index 19a9b68aa8d127724b28240660bf5f503a4accee..413eef8b079449d070f4be5c2644ebca9b319ffd 100644
--- a/src/effects/SkMorphologyImageFilter.cpp
+++ b/src/effects/SkMorphologyImageFilter.cpp
@@ -32,7 +32,7 @@ SkMorphologyImageFilter::SkMorphologyImageFilter(int radiusX,
                                                  int radiusY,
                                                  SkImageFilter* input,
                                                  const CropRect* cropRect)
-    : INHERITED(input, cropRect), fRadius(SkISize::Make(radiusX, radiusY)) {
+    : INHERITED(1, &input, cropRect), fRadius(SkISize::Make(radiusX, radiusY)) {
 }