Change signatures of filter bounds methods to return a rect.

include/effects/SkMorphologyImageFilter.h

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkMorphologyImageFilter_DEFINED
 #define SkMorphologyImageFilter_DEFINED
 
 #include "SkColor.h"
 #include "SkImageFilter.h"
 #include "SkSize.h"
 
 class SK_API SkMorphologyImageFilter : public SkImageFilter {
 public:
-    void computeFastBounds(const SkRect& src, SkRect* dst) const override;
-    void onFilterNodeBounds(const SkIRect& src, const SkMatrix& ctm,
-                            SkIRect* dst, MapDirection) const override;
+    SkRect computeFastBounds(const SkRect& src) const override;
+    SkIRect onFilterNodeBounds(const SkIRect& src, const SkMatrix&, MapDirection) const override;
 
     /**
      * All morphology procs have the same signature: src is the source buffer, dst the
      * destination buffer, radius is the morphology radius, width and height are the bounds
      * of the destination buffer (in pixels), and srcStride and dstStride are the
      * number of pixels per row in each buffer. All buffers are 8888.
      */
 
     typedef void (*Proc)(const SkPMColor* src, SkPMColor* dst, int radius,
                          int width, int height, int srcStride, int dstStride);
@@ skipping 70 matching lines @@
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkErodeImageFilter)
 
 private:
     SkErodeImageFilter(int radiusX, int radiusY, SkImageFilter* input, const CropRect* cropRect)
         : INHERITED(radiusX, radiusY, input, cropRect) {}
 
     typedef SkMorphologyImageFilter INHERITED;
 };
 
 #endif