Implement Vulkan GrBackendObject for textures.

src/gpu/vk/GrVkTexture.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrVkTexture_DEFINED
 #define GrVkTexture_DEFINED
 
 #include "GrGpu.h"
 #include "GrTexture.h"
 #include "GrVkImage.h"
 
 class GrVkGpu;
 class GrVkImageView;
+struct GrVkTextureInfo;
 
 class GrVkTexture : public GrTexture, public virtual GrVkImage {
 public:
     static GrVkTexture* CreateNewTexture(GrVkGpu*, const GrSurfaceDesc&,
                                          GrGpuResource::LifeCycle,
                                          const GrVkImage::ImageDesc&);
                                           
-
     static GrVkTexture* CreateWrappedTexture(GrVkGpu*, const GrSurfaceDesc&,
                                              GrGpuResource::LifeCycle,
-                                             VkFormat, const GrVkImage::Resource*);
+                                             VkFormat, const GrVkTextureInfo*);
 
     ~GrVkTexture() override;
 
     GrBackendObject getTextureHandle() const override;
 
     void textureParamsModified() override {}
 
     const GrVkImageView* textureView() const { return fTextureView; }
 
 protected:
@@ skipping 14 matching lines @@
     void onAbandon() override;
     void onRelease() override;
 
 private:
     const GrVkImageView* fTextureView;
 
     typedef GrTexture INHERITED;
 };
 
 #endif