First pass at VulkanViewer

include/gpu/vk/GrVkBackendContext.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 GrVkBackendContext_DEFINED
 #define GrVkBackendContext_DEFINED
 
@@ skipping 31 matching lines @@
 // in or transitioned to that family.
 struct GrVkBackendContext : public SkRefCnt {
     VkInstance                        fInstance;
     VkPhysicalDevice                  fPhysicalDevice;
     VkDevice                          fDevice;
     VkQueue                           fQueue;
     uint32_t                          fQueueFamilyIndex;
     uint32_t                          fMinAPIVersion;
     uint32_t                          fExtensions;
     uint32_t                          fFeatures;
-    SkAutoTUnref<const GrVkInterface> fInterface;

[bsalomon, 2016/04/05 14:24:43]

was this accidental? I miss the space.

[jvanverth1, 2016/04/05 18:16:48]

Done.

+    SkAutoTUnref<const GrVkInterface>fInterface;
 
     // Helper function to create the default Vulkan objects needed by the GrVkGpu object
     static const GrVkBackendContext* Create();
 
     ~GrVkBackendContext() override;
 };
 
 #endif