Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkTransferBuffer.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 "GrVkTransferBuffer.h"
-#include "GrVkGpu.h"
-#include "SkTraceMemoryDump.h"
-
-
-GrVkTransferBuffer* GrVkTransferBuffer::Create(GrVkGpu* gpu, size_t size, GrVkBuffer::Type type) {
-    GrVkBuffer::Desc desc;
-    desc.fDynamic = false;
-    SkASSERT(GrVkBuffer::kCopyRead_Type == type || GrVkBuffer::kCopyWrite_Type == type);
-    desc.fType = type;
-    desc.fSizeInBytes = size;
-
-    const GrVkBuffer::Resource* bufferResource = GrVkBuffer::Create(gpu, desc);
-    if (!bufferResource) {
-        return nullptr;
-    }
-
-    GrVkTransferBuffer* buffer = new GrVkTransferBuffer(gpu, desc, bufferResource);
-    if (!buffer) {
-        bufferResource->unref(gpu);
-    }
-    return buffer;
-}
-
-GrVkTransferBuffer::GrVkTransferBuffer(GrVkGpu* gpu, const GrVkBuffer::Desc& desc,
-                                       const GrVkBuffer::Resource* bufferResource)
-    : INHERITED(gpu, desc.fSizeInBytes)
-    , GrVkBuffer(desc, bufferResource) {
-    this->registerWithCache();
-}
-
-void GrVkTransferBuffer::onRelease() {
-    if (!this->wasDestroyed()) {
-        this->vkRelease(this->getVkGpu());
-    }
-
-    INHERITED::onRelease();
-}
-
-void GrVkTransferBuffer::onAbandon() {
-    this->vkAbandon();
-    INHERITED::onAbandon();
-}
-
-void GrVkTransferBuffer::setMemoryBacking(SkTraceMemoryDump* traceMemoryDump,
-                                          const SkString& dumpName) const {
-    SkString buffer_id;
-    buffer_id.appendU64((uint64_t)this->buffer());
-    traceMemoryDump->setMemoryBacking(dumpName.c_str(), "vk_buffer",
-                                      buffer_id.c_str());
-}