Add WSI functions to GrVkInterface

src/gpu/vk/GrVkProgramDesc.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 GrVkProgramDesc_DEFINED
 #define GrVkProgramDesc_DEFINED
 
 #include "GrColor.h"
 #include "GrProgramDesc.h"
 #include "GrGpu.h"
 #include "GrTypesPriv.h"
 
 #include "shaderc/shaderc.h"
-#include "vulkan/vulkan.h"
+#include "vk/GrVkDefines.h"
 
 class GrVkGpu;
 class GrVkProgramDescBuilder;
 
 class GrVkProgramDesc : public GrProgramDesc {
 private:
     friend class GrVkProgramDescBuilder;
 };
 
 /**
@@ skipping 32 matching lines @@
      *                 parts of the descriptor.
      * @param GrProgramDesc  The built and finalized descriptor
      **/
     static bool Build(GrProgramDesc*,
                       const GrPrimitiveProcessor&,
                       const GrPipeline&,
                       const GrGLSLCaps&);
 };
 
 #endif