Port SkBlurImage opts to SkOpts.

src/opts/SkBlurImage_opts.h

Index: src/opts/SkBlurImage_opts.h
diff --git a/src/opts/SkBlurImage_opts.h b/src/opts/SkBlurImage_opts.h
deleted file mode 100644
index 68352c5518edc2bdc30aebcab7672e861399790a..0000000000000000000000000000000000000000
--- a/src/opts/SkBlurImage_opts.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Copyright 2013 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 SkBlurImage_opts_DEFINED
-#define SkBlurImage_opts_DEFINED
-
-#include "SkColorPriv.h"
-
-typedef void (*SkBoxBlurProc)(const SkPMColor* src, int srcStride, SkPMColor* dst, int kernelSize,
-                              int leftOffset, int rightOffset, int width, int height);
-
-bool SkBoxBlurGetPlatformProcs(SkBoxBlurProc* boxBlurX,
-                               SkBoxBlurProc* boxBlurXY,
-                               SkBoxBlurProc* boxBlurYX);
-#endif