Set up cache in vulkan to reuse GrVkPrograms (aka VkPipelines)

src/gpu/vk/GrVkProgramBuilder.h

Index: src/gpu/vk/GrVkProgramBuilder.h
diff --git a/src/gpu/vk/GrVkProgramBuilder.h b/src/gpu/vk/GrVkProgramBuilder.h
deleted file mode 100644
index 65fe54667c4908e2d30490a386d172e37a6ad4f0..0000000000000000000000000000000000000000
--- a/src/gpu/vk/GrVkProgramBuilder.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
-* 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 GrVkProgramBuilder_DEFINED
-#define GrVkProgramBuilder_DEFINED
-
-#include "glsl/GrGLSLProgramBuilder.h"
-
-#include "GrPipeline.h"
-#include "vk/GrVkUniformHandler.h"
-#include "vk/GrVkVaryingHandler.h"
-
-#include "shaderc/shaderc.h"
-#include "vulkan/vulkan.h"
-
-class GrVkGpu;
-class GrVkRenderPass;
-class GrVkProgram;
-class GrVkProgramDesc;
-
-class GrVkProgramBuilder : public GrGLSLProgramBuilder {
-public:
-    /** Generates a shader program.
-    *
-    * The program implements what is specified in the stages given as input.
-    * After successful generation, the builder result objects are available
-    * to be used.
-    * @return true if generation was successful.
-    */
-    static GrVkProgram* CreateProgram(GrVkGpu*,
-                                      const GrPipeline&,
-                                      const GrPrimitiveProcessor&,
-                                      GrPrimitiveType,
-                                      const GrVkProgramDesc&,
-                                      const GrVkRenderPass& renderPass);
-
-    const GrCaps* caps() const override;
-    const GrGLSLCaps* glslCaps() const override;
-
-    GrVkGpu* gpu() const { return fGpu; }
-
-    void finalizeFragmentOutputColor(GrGLSLShaderVar& outputColor) override;
-
-private:
-    GrVkProgramBuilder(GrVkGpu*,
-                       const GrPipeline&,
-                       const GrPrimitiveProcessor&,
-                       const GrVkProgramDesc&);
-
-    GrVkProgram* finalize(GrPrimitiveType primitiveType, const GrVkRenderPass& renderPass);
-
-    static bool CreateVkShaderModule(const GrVkGpu* gpu,
-                                     VkShaderStageFlagBits stage,
-                                     const GrGLSLShaderBuilder& builder,
-                                     VkShaderModule* shaderModule,
-                                     VkPipelineShaderStageCreateInfo* stageInfo);
-
-    GrGLSLUniformHandler* uniformHandler() override { return &fUniformHandler; }
-    const GrGLSLUniformHandler* uniformHandler() const override { return &fUniformHandler; }
-    GrGLSLVaryingHandler* varyingHandler() override { return &fVaryingHandler; }
-
-    GrVkGpu* fGpu;
-    GrVkVaryingHandler        fVaryingHandler;
-    GrVkUniformHandler        fUniformHandler;
-
-    typedef GrGLSLProgramBuilder INHERITED;
-};
-
-#endif