Rename GrGpuGL to GrGLGpu for consistency

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(GrGpuGL*, const GrOptDrawState&);
+    GrGLLegacyNvprProgramBuilder(GrGLGpu*, const GrOptDrawState&);
 
     virtual 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