Move most of the transform logic into the primitive processors

src/gpu/gl/builders/GrGLLegacyNvprProgramBuilder.h

-/*
- * 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(GrGLGpu*, const GrOptDrawState&);
-
-    GrGLProgram* createProgram(GrGLuint programID) SK_OVERRIDE;
-
-private:
-    int addTexCoordSets(int count);
-    void emitTransforms(const GrPendingFragmentStage&,
-                        GrGLProcessor::TransformedCoordsArray* outCoords,
-                        GrGLInstalledFragProc*) SK_OVERRIDE;
-
-    int fTexCoordSetCnt;
-
-    typedef GrGLProgramBuilder INHERITED;
-};
-
-#endif