Add offset to memory allocations

src/gpu/vk/GrVkStencilAttachment.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 "GrVkStencilAttachment.h"
 #include "GrVkGpu.h"
 #include "GrVkImage.h"
@@ skipping 35 matching lines @@
 
     GrVkImageInfo info;
     if (!GrVkImage::InitImageInfo(gpu, imageDesc, &info)) {
         return nullptr;
     }
 
     const GrVkImageView* imageView = GrVkImageView::Create(gpu, info.fImage,
                                                            format.fInternalFormat,
                                                            GrVkImageView::kStencil_Type, 1);
     if (!imageView) {
-        VK_CALL(gpu, DestroyImage(gpu->device(), info.fImage, nullptr));
-        VK_CALL(gpu, FreeMemory(gpu->device(), info.fAlloc, nullptr));
+        GrVkImage::DestroyImageInfo(gpu, &info);
         return nullptr;
     }
 
     GrVkStencilAttachment* stencil = new GrVkStencilAttachment(gpu, format, imageDesc,
                                                                info, imageView);
     imageView->unref(gpu);
 
     return stencil;
 }
 
@@ skipping 24 matching lines @@
     this->abandonImage();
     fStencilView->unrefAndAbandon();
     fStencilView = nullptr;
     GrStencilAttachment::onAbandon();
 }
 
 GrVkGpu* GrVkStencilAttachment::getVkGpu() const {
     SkASSERT(!this->wasDestroyed());
     return static_cast<GrVkGpu*>(this->getGpu());
 }