Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkDescriptorPool.h

-/*
-* Copyright 2016 Google Inc.
-*
-* Use of this source code is governed by a BSD-style license that can be
-* found in the LICENSE file.
-*/
-
-#ifndef GrVkDescriptorPool_DEFINED
-#define GrVkDescriptorPool_DEFINED
-
-#include "GrVkResource.h"
-
-#include "vulkan/vulkan.h"
-
-class GrVkGpu;
-
-class GrVkDescriptorPool : public GrVkResource {
-public:
-    class DescriptorTypeCounts {
-    public:
-        DescriptorTypeCounts() {
-            memset(fDescriptorTypeCount, 0, sizeof(fDescriptorTypeCount));
-        }
-
-        void setTypeCount(VkDescriptorType type, uint8_t count);
-        uint32_t numPoolSizes() const;
-
-        // Determines if for each i, that.fDescriptorTypeCount[i] <= fDescriptorTypeCount[i];
-        bool isSuperSet(const DescriptorTypeCounts& that) const;
-    private:
-        uint8_t fDescriptorTypeCount[VK_DESCRIPTOR_TYPE_RANGE_SIZE];
-
-        friend class GrVkDescriptorPool;
-    };
-
-    explicit GrVkDescriptorPool(const GrVkGpu* gpu, const DescriptorTypeCounts& typeCounts);
-
-    VkDescriptorPool descPool() const { return fDescPool; }
-
-    void reset(const GrVkGpu* gpu);
-
-    // Returns whether or not this descriptor pool could be used, assuming it gets fully reset and
-    // not in use by another draw, to support the requested typeCounts.
-    bool isCompatible(const DescriptorTypeCounts& typeCounts) const;
-
-private:
-    void freeGPUData(const GrVkGpu* gpu) const override;
-
-    DescriptorTypeCounts fTypeCounts;
-    VkDescriptorPool     fDescPool;
-
-    typedef GrVkResource INHERITED;
-};
-
-
-#endif