Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkIndexBuffer.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 "GrVkIndexBuffer.h"
-#include "GrVkGpu.h"
-
-GrVkIndexBuffer::GrVkIndexBuffer(GrVkGpu* gpu, const GrVkBuffer::Desc& desc,
-                                 const GrVkBuffer::Resource* bufferResource)
-    : INHERITED(gpu, desc.fSizeInBytes, desc.fDynamic, false)
-    , GrVkBuffer(desc, bufferResource) {
-    this->registerWithCache();
-}
-
-GrVkIndexBuffer* GrVkIndexBuffer::Create(GrVkGpu* gpu, size_t size, bool dynamic) {
-    GrVkBuffer::Desc desc;
-    desc.fDynamic = dynamic;
-    desc.fType = GrVkBuffer::kIndex_Type;
-    desc.fSizeInBytes = size;
-
-    const GrVkBuffer::Resource* bufferResource = GrVkBuffer::Create(gpu, desc);
-    if (!bufferResource) {
-        return nullptr;
-    }
-
-
-    GrVkIndexBuffer* buffer = new GrVkIndexBuffer(gpu, desc, bufferResource);
-    if (!buffer) {
-        bufferResource->unref(gpu);
-    }
-    return buffer;
-}
-
-void GrVkIndexBuffer::onRelease() {
-    if (!this->wasDestroyed()) {
-        this->vkRelease(this->getVkGpu());
-    }
-
-    INHERITED::onRelease();
-}
-
-void GrVkIndexBuffer::onAbandon() {
-    this->vkAbandon();
-    INHERITED::onAbandon();
-}
-
-void* GrVkIndexBuffer::onMap() {
-    if (!this->wasDestroyed()) {
-        return this->vkMap(this->getVkGpu());
-    } else {
-        return NULL;
-    }
-}
-
-void GrVkIndexBuffer::onUnmap() {
-    if (!this->wasDestroyed()) {
-        this->vkUnmap(this->getVkGpu());
-    }
-}
-
-bool GrVkIndexBuffer::onUpdateData(const void* src, size_t srcSizeInBytes) {
-    if (!this->wasDestroyed()) {
-        return this->vkUpdateData(this->getVkGpu(), src, srcSizeInBytes);
-    } else {
-        return false;
-    }
-}
-
-GrVkGpu* GrVkIndexBuffer::getVkGpu() const {
-    SkASSERT(!this->wasDestroyed());
-    return static_cast<GrVkGpu*>(this->getGpu());
-}
-