Add WSI functions to GrVkInterface

src/gpu/vk/GrVkPipeline.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 GrVkPipeline_DEFINED
 #define GrVkPipeline_DEFINED
 
 #include "GrTypes.h"
 
 #include "GrVkResource.h"
 
-#include "vulkan/vulkan.h"
+#include "vk/GrVkDefines.h"
 
 class GrNonInstancedVertices;
 class GrPipeline;
 class GrPrimitiveProcessor;
 class GrVkCommandBuffer;
 class GrVkGpu;
 class GrVkRenderPass;
 
 class GrVkPipeline : public GrVkResource {
 public:
@@ skipping 19 matching lines @@
     GrVkPipeline& operator=(const GrVkPipeline&);
 
     void freeGPUData(const GrVkGpu* gpu) const override;
 
     VkPipeline  fPipeline;
 
     typedef GrVkResource INHERITED;
 };
 
 #endif