Revert of Lay groundwork for SkOpts.

src/core/SkOpts.cpp

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkOpts.h"
-
-#if defined(SK_CPU_X86)
-    #if defined(SK_BUILD_FOR_WIN32)
-        #include <intrin.h>
-        static void cpuid(uint32_t abcd[4]) { __cpuid((int*)abcd, 1); }
-    #else
-        #include <cpuid.h>
-        static void cpuid(uint32_t abcd[4]) { __get_cpuid(1, abcd+0, abcd+1, abcd+2, abcd+3); }
-    #endif
-#elif defined(SK_BUILD_FOR_ANDROID)
-    #include <cpu-features.h>
-#endif
-
-namespace SkOpts {
-    // (Define default function pointer values here...)
-
-    // Each Init_foo() is defined in src/opts/SkOpts_foo.cpp.
-    void Init_sse2();
-    void Init_ssse3();
-    void Init_sse41();
-    void Init_neon();
-    //TODO: _dsp2, _armv7, _armv8, _x86, _x86_64, _sse42, _avx, avx2, ... ?
-
-    void Init() {
-    #if defined(SK_CPU_X86)
-        uint32_t abcd[] = {0,0,0,0};
-        cpuid(abcd);
-        if (abcd[3] & (1<<26)) { Init_sse2(); }
-        if (abcd[2] & (1<< 9)) { Init_ssse3(); }
-        if (abcd[2] & (1<<19)) { Init_sse41(); }
-
-    #elif defined(SK_ARM_HAS_NEON)
-        Init_neon();
-
-    #elif defined(SK_BUILD_FOR_ANDROID)
-        if (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) { Init_neon(); }
-
-    #endif
-    }
-}