Revert of Cleanup of shader building system

src/gpu/gl/builders/GrGLLegacyNvprProgramBuilder.h

Index: src/gpu/gl/builders/GrGLLegacyNvprProgramBuilder.h
diff --git a/src/gpu/gl/builders/GrGLLegacyNvprProgramBuilder.h b/src/gpu/gl/builders/GrGLLegacyNvprProgramBuilder.h
deleted file mode 100644
index 496fbd872643a9dbb6c9357ed2c77905397bd8ce..0000000000000000000000000000000000000000
--- a/src/gpu/gl/builders/GrGLLegacyNvprProgramBuilder.h
+++ /dev/null
@@ -1,30 +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 GrGLLegacyNvprProgramBuilder_DEFINED
-#define GrGLLegacyNvprProgramBuilder_DEFINED
-
-#include "GrGLProgramBuilder.h"
-
-class GrGLLegacyNvprProgramBuilder : public GrGLProgramBuilder {
-public:
-    GrGLLegacyNvprProgramBuilder(GrGpuGL*, const GrOptDrawState&, const GrGLProgramDesc&);
-
-    virtual GrGLProgram* createProgram(GrGLuint programID);
-
-private:
-    int addTexCoordSets(int count);
-    void emitTransforms(const GrProcessorStage&,
-                        GrGLProcessor::TransformedCoordsArray* outCoords,
-                        GrGLInstalledProcessors*);
-
-    int fTexCoordSetCnt;
-
-    typedef GrGLProgramBuilder INHERITED;
-};
-
-#endif