Port morphology to SkOpts.

src/opts/SkOpts_neon.cpp

Index: src/opts/SkOpts_neon.cpp
diff --git a/src/opts/SkOpts_neon.cpp b/src/opts/SkOpts_neon.cpp
index 2db976d5c9bbeda1b1b5f60149647c660927ba32..f75dc7c55c9f204855c014379c65110f6b2448cc 100644
--- a/src/opts/SkOpts_neon.cpp
+++ b/src/opts/SkOpts_neon.cpp
@@ -10,6 +10,7 @@
 #define SK_OPTS_NS neon
 #include "SkBlurImageFilter_opts.h"
 #include "SkFloatingPoint_opts.h"
+#include "SkMorphologyImageFilter_opts.h"
 #include "SkUtils_opts.h"
 #include "SkXfermode_opts.h"
 
@@ -20,9 +21,13 @@ namespace SkOpts {
         memset32        = neon::memset32;
         create_xfermode = SkCreate4pxXfermode;
 
-        static const auto x = neon::kX, y = neon::kY;
-        box_blur_xx = neon::box_blur<x,x>;
-        box_blur_xy = neon::box_blur<x,y>;
-        box_blur_yx = neon::box_blur<y,x>;
+        box_blur_xx = neon::box_blur_xx;
+        box_blur_xy = neon::box_blur_xy;
+        box_blur_yx = neon::box_blur_yx;
+
+        dilate_x = neon::dilate_x;
+        dilate_y = neon::dilate_y;
+         erode_x = neon::erode_x;
+         erode_y = neon::erode_y;
     }
 }