Improve GLSL integer support

src/gpu/gl/GrGLNoOpInterface.cpp

Index: src/gpu/gl/GrGLNoOpInterface.cpp
diff --git a/src/gpu/gl/GrGLNoOpInterface.cpp b/src/gpu/gl/GrGLNoOpInterface.cpp
index 113c47d05428dfc4684936b0e6f65605d0c7a821..f08d737d588183bdb661f6aa7f5f5bf3d60c6c9f 100644
--- a/src/gpu/gl/GrGLNoOpInterface.cpp
+++ b/src/gpu/gl/GrGLNoOpInterface.cpp
@@ -394,6 +394,13 @@ GrGLvoid GR_GL_FUNCTION_TYPE noOpGLUniformMatrix4fv(GrGLint location,
  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,