Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkSampler.cpp

Index: src/gpu/vk/GrVkSampler.cpp
diff --git a/src/gpu/vk/GrVkSampler.cpp b/src/gpu/vk/GrVkSampler.cpp
deleted file mode 100644
index d50c7f37447a5a9da0b3c9010aa3e6024ed6bb6c..0000000000000000000000000000000000000000
--- a/src/gpu/vk/GrVkSampler.cpp
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
-* Copyright 2016 Google Inc.
-*
-* Use of this source code is governed by a BSD-style license that can be
-* found in the LICENSE file.
-*/
-
-#include "GrVkSampler.h"
-
-#include "GrTextureAccess.h"
-#include "GrVkGpu.h"
-
-static inline VkSamplerAddressMode tile_to_vk_sampler_address(SkShader::TileMode tm) {
-    static const VkSamplerAddressMode gWrapModes[] = {
-        VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
-        VK_SAMPLER_ADDRESS_MODE_REPEAT,
-        VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT
-    };
-    GR_STATIC_ASSERT(SkShader::kTileModeCount == SK_ARRAY_COUNT(gWrapModes));
-    GR_STATIC_ASSERT(0 == SkShader::kClamp_TileMode);
-    GR_STATIC_ASSERT(1 == SkShader::kRepeat_TileMode);
-    GR_STATIC_ASSERT(2 == SkShader::kMirror_TileMode);
-    return gWrapModes[tm];
-}
-
-GrVkSampler* GrVkSampler::Create(const GrVkGpu* gpu, const GrTextureAccess& textureAccess) {
-
-    static VkFilter vkMinFilterModes[] = {
-        VK_FILTER_NEAREST,
-        VK_FILTER_LINEAR,
-        VK_FILTER_LINEAR
-    };
-    static VkFilter vkMagFilterModes[] = {
-        VK_FILTER_NEAREST,
-        VK_FILTER_LINEAR,
-        VK_FILTER_LINEAR
-    };
-
-    const GrTextureParams& params = textureAccess.getParams();
-
-    VkSamplerCreateInfo createInfo;
-    memset(&createInfo, 0, sizeof(VkSamplerCreateInfo));
-    createInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
-    createInfo.pNext = 0;
-    createInfo.flags = 0;
-    createInfo.magFilter = vkMagFilterModes[params.filterMode()];
-    createInfo.minFilter = vkMinFilterModes[params.filterMode()];
-    createInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
-    createInfo.addressModeU = tile_to_vk_sampler_address(params.getTileModeX());
-    createInfo.addressModeV = tile_to_vk_sampler_address(params.getTileModeY());
-    createInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; // Shouldn't matter
-    createInfo.mipLodBias = 0.0f;
-    createInfo.anisotropyEnable = VK_FALSE;
-    createInfo.maxAnisotropy = 1.0f;
-    createInfo.compareEnable = VK_FALSE;
-    createInfo.compareOp = VK_COMPARE_OP_NEVER;
-    createInfo.minLod = 0.0f;
-    createInfo.maxLod = 0.0f;
-    createInfo.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK;
-    createInfo.unnormalizedCoordinates = VK_FALSE;
-
-    VkSampler sampler;
-    GR_VK_CALL_ERRCHECK(gpu->vkInterface(), CreateSampler(gpu->device(),
-                                                          &createInfo,
-                                                          nullptr,
-                                                          &sampler));
-
-    return new GrVkSampler(sampler);
-}
-
-void GrVkSampler::freeGPUData(const GrVkGpu* gpu) const {
-    SkASSERT(fSampler);
-    GR_VK_CALL(gpu->vkInterface(), DestroySampler(gpu->device(), fSampler, nullptr));
-}