Separate GL path rendering state from GrGpuGL to GrGLPathRendering

src/gpu/gl/GrGLUtil.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLUtil_DEFINED
 #define GrGLUtil_DEFINED
 
 #include "gl/GrGLInterface.h"
 #include "GrGLDefines.h"
+#include "GrStencil.h"
 
 class SkMatrix;
 
 ////////////////////////////////////////////////////////////////////////////////
 
 typedef uint32_t GrGLVersion;
 typedef uint32_t GrGLSLVersion;
 
 #define GR_GL_VER(major, minor) ((static_cast<int>(major) << 16) | \
                                  static_cast<int>(minor))
@@ skipping 151 matching lines @@
 #define GR_GL_CALL_RET_NOERRCHECK(IFACE, RET, X)                \
     do {                                                        \
         GR_GL_CALLBACK_IMPL(IFACE);                             \
         (RET) = (IFACE)->fFunctions.f##X;                       \
         GR_GL_LOG_CALLS_IMPL(X);                                \
     } while (false)
 
 // call glGetError without doing a redundant error check or logging.
 #define GR_GL_GET_ERROR(IFACE) (IFACE)->fFunctions.fGetError()
 
+GrGLenum GrToGLStencilFunc(GrStencilFunc basicFunc);
+
+
 #endif