Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkUniformHandler.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 GrVkUniformHandler_DEFINED
-#define GrVkUniformHandler_DEFINED
-
-#include "glsl/GrGLSLUniformHandler.h"
-
-#include "GrAllocator.h"
-#include "glsl/GrGLSLShaderVar.h"
-
-static const int kUniformsPerBlock = 8;
-
-class GrVkUniformHandler : public GrGLSLUniformHandler {
-public:
-    enum {
-        kSamplerDescSet = 0,
-        kUniformBufferDescSet = 1,
-    };
-    enum {
-        kVertexBinding = 0,
-        kFragBinding = 1,
-    };
-
-    // fUBOffset is only valid if the GrSLType of the fVariable is not a sampler
-    struct UniformInfo {
-        GrGLSLShaderVar fVariable;
-        uint32_t        fVisibility;
-        uint32_t        fSetNumber;
-        uint32_t        fBinding;
-        uint32_t        fUBOffset;
-    };
-    typedef GrTAllocator<UniformInfo> UniformInfoArray;
-
-    const GrGLSLShaderVar& getUniformVariable(UniformHandle u) const override {
-        return fUniforms[u.toIndex()].fVariable;
-    }
-
-    const char* getUniformCStr(UniformHandle u) const override {
-        return this->getUniformVariable(u).c_str();
-    }
-
-private:
-    explicit GrVkUniformHandler(GrGLSLProgramBuilder* program)
-        : INHERITED(program)
-        , fUniforms(kUniformsPerBlock)
-        , fCurrentVertexUBOOffset(0)
-        , fCurrentFragmentUBOOffset(0)
-        , fCurrentSamplerBinding(0) {
-    }
-
-    UniformHandle internalAddUniformArray(uint32_t visibility,
-                                          GrSLType type,
-                                          GrSLPrecision precision,
-                                          const char* name,
-                                          bool mangleName,
-                                          int arrayCount,
-                                          const char** outName) override;
-
-    void appendUniformDecls(GrShaderFlags, SkString*) const override;
-
-    bool hasVertexUniforms() const { return fCurrentVertexUBOOffset > 0; }
-    bool hasFragmentUniforms() const { return fCurrentFragmentUBOOffset > 0; }
-
-
-    const UniformInfo& getUniformInfo(UniformHandle u) const {
-        return fUniforms[u.toIndex()];
-    }
-
-
-    UniformInfoArray fUniforms;
-    uint32_t         fCurrentVertexUBOOffset;
-    uint32_t         fCurrentFragmentUBOOffset;
-    uint32_t         fCurrentSamplerBinding;
-
-    friend class GrVkProgramBuilder;
-
-    typedef GrGLSLUniformHandler INHERITED;
-};
-
-#endif