Move all ShaderBuilder files to GLSL

src/gpu/gl/builders/GrGLVertexShaderBuilder.h

Index: src/gpu/gl/builders/GrGLVertexShaderBuilder.h
diff --git a/src/gpu/gl/builders/GrGLVertexShaderBuilder.h b/src/gpu/gl/builders/GrGLVertexShaderBuilder.h
deleted file mode 100644
index 4662c403e5d80ab815219b9c803cce9078429ac9..0000000000000000000000000000000000000000
--- a/src/gpu/gl/builders/GrGLVertexShaderBuilder.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrGLVertexShader_DEFINED
-#define GrGLVertexShader_DEFINED
-
-#include "GrGLShaderBuilder.h"
-#include "GrGeometryProcessor.h"
-
-class GrGLSLVarying;
-
-class GrGLVertexBuilder : public GrGLShaderBuilder {
-public:
-    GrGLVertexBuilder(GrGLSLProgramBuilder* program);
-
-    void transformToNormalizedDeviceSpace(const GrShaderVar& posVar);
-    void emitAttributes(const GrGeometryProcessor& gp);
-
-    void addAttribute(const GrGeometryProcessor::Attribute* attr) {
-        this->addAttribute(GrShaderVar(attr->fName,
-                                       GrVertexAttribTypeToSLType(attr->fType),
-                                       GrShaderVar::kAttribute_TypeModifier,
-                                       GrShaderVar::kNonArray,
-                                       attr->fPrecision));
-    }
-
-private:
-    /*
-     * Internal call for GrGLProgramBuilder.addVarying
-     */
-    void addVarying(const char* name, GrSLPrecision, GrGLSLVarying*);
-
-    // an internal call which checks for uniquness of a var before adding it to the list of inputs
-    bool addAttribute(const GrShaderVar& var);
-
-    void onFinalize() override {}
-    
-    const char* fRtAdjustName;
-
-    friend class GrGLProgramBuilder;
-
-    typedef GrGLShaderBuilder INHERITED;
-};
-
-#endif