Port SkBlurImage opts to SkOpts.

src/opts/SkBlurImage_opts_arm.cpp

-/*
- * Copyright 2014 ARM Ltd.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkBlurImage_opts_neon.h"
-#include "SkUtilsArm.h"
-
-bool SkBoxBlurGetPlatformProcs(SkBoxBlurProc* boxBlurX,
-                               SkBoxBlurProc* boxBlurXY,
-                               SkBoxBlurProc* boxBlurYX) {
-#if SK_ARM_NEON_IS_NONE
-    return false;
-#else
-#if SK_ARM_NEON_IS_DYNAMIC
-    if (!sk_cpu_arm_has_neon()) {
-        return false;
-    }
-#endif
-    return SkBoxBlurGetPlatformProcs_NEON(boxBlurX, boxBlurXY, boxBlurYX);
-#endif
-}