Improve GLSL integer support

src/gpu/gl/GrGLNoOpInterface.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLNoOpInterface_DEFINED
 #define GrGLNoOpInterface_DEFINED
 
@@ skipping 269 matching lines @@
                                                     const GrGLfloat* value);
 
  GrGLvoid GR_GL_FUNCTION_TYPE noOpGLVertexAttrib1f(GrGLuint indx, const GrGLfloat value);
 
  GrGLvoid GR_GL_FUNCTION_TYPE noOpGLVertexAttrib2fv(GrGLuint indx, const GrGLfloat* values);
 
  GrGLvoid GR_GL_FUNCTION_TYPE noOpGLVertexAttrib3fv(GrGLuint indx, const GrGLfloat* values);
 
  GrGLvoid GR_GL_FUNCTION_TYPE noOpGLVertexAttrib4fv(GrGLuint indx, const GrGLfloat* values);
 
+GrGLvoid GR_GL_FUNCTION_TYPE noOpGLVertexAttribIPointer(GrGLuint indx,
+                                                        GrGLint size,
+                                                        GrGLenum type,
+                                                        GrGLsizei stride,
+                                                        const GrGLvoid* ptr);
+
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLVertexAttribPointer(GrGLuint indx,
                                                        GrGLint size,
                                                        GrGLenum type,
                                                        GrGLboolean normalized,
                                                        GrGLsizei stride,
                                                        const GrGLvoid* ptr);
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLVertexAttribDivisor(GrGLuint index, GrGLuint divisor);
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLViewport(GrGLint x,
@@ skipping 90 matching lines @@
                                                           GrGLenum pname,
                                                           GrGLint* params);
 
 GrGLint GR_GL_FUNCTION_TYPE noOpGLGetUniformLocation(GrGLuint program, const char* name);
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLInsertEventMarker(GrGLsizei length, const char* marker);
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLPushGroupMarker(GrGLsizei length  , const char* marker);
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLPopGroupMarker();
 
 #endif