Add glTexGen funcs to interface

src/gpu/gl/GrGpuGL.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGpuGL_DEFINED
 #define GrGpuGL_DEFINED
 
@@ skipping 399 matching lines @@
     struct {
         TriState fMSAAEnabled;
         TriState fSmoothLineEnabled;
         void invalidate() {
             fMSAAEnabled = kUnknown_TriState;
             fSmoothLineEnabled = kUnknown_TriState;
         }
     } fHWAAState;
 
 
-    GrGLProgram::MatrixState    fHWPathStencilMatrixState;
+    GrGLProgram::MatrixState    fHWProjectionMatrixState;
 
     GrStencilSettings           fHWStencilSettings;
     TriState                    fHWStencilTestEnabled;
 
     GrDrawState::DrawFace       fHWDrawFace;
     TriState                    fHWWriteToColor;
     TriState                    fHWDitherEnabled;
     GrRenderTarget*             fHWBoundRenderTarget;
     SkTArray<GrTexture*, true>  fHWBoundTextures;
     ///@}
 
     // we record what stencil format worked last time to hopefully exit early
     // from our loop that tries stencil formats and calls check fb status.
     int fLastSuccessfulStencilFmtIdx;
 
     typedef GrGpu INHERITED;
 };
 
 #endif