Revert of Improve GLSL integer support

src/gpu/gl/GrGLAssembleInterface.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGLAssembleInterface.h"
@@ skipping 228 matching lines @@
     GET_PROC(UseProgram);
     GET_PROC(VertexAttrib1f);
     GET_PROC(VertexAttrib2fv);
     GET_PROC(VertexAttrib3fv);
     GET_PROC(VertexAttrib4fv);
 
     if (glVer >= GR_GL_VER(3,2) || extensions.has("GL_ARB_instanced_arrays")) {
         GET_PROC(VertexAttribDivisor);
     }
 
-    if (glVer >= GR_GL_VER(3,0)) {
-        GET_PROC(VertexAttribIPointer);
-    }
-
     GET_PROC(VertexAttribPointer);
     GET_PROC(Viewport);
     GET_PROC(BindFragDataLocationIndexed);
 
     if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_object")) {
         // no ARB suffix for GL_ARB_vertex_array_object
         GET_PROC(BindVertexArray);
         GET_PROC(GenVertexArrays);
         GET_PROC(DeleteVertexArrays);
     } else if (extensions.has("GL_APPLE_vertex_array_object")) {
@@ skipping 412 matching lines @@
     GET_PROC(VertexAttrib2fv);
     GET_PROC(VertexAttrib3fv);
     GET_PROC(VertexAttrib4fv);
 
     if (version >= GR_GL_VER(3,0)) {
         GET_PROC(VertexAttribDivisor);
     } else if (extensions.has("GL_EXT_instanced_arrays")) {
         GET_PROC_SUFFIX(VertexAttribDivisor, EXT);
     }
 
-    if (version >= GR_GL_VER(3,0)) {
-        GET_PROC(VertexAttribIPointer);
-    }
-
     GET_PROC(VertexAttribPointer);
     GET_PROC(Viewport);
     GET_PROC(BindFramebuffer);
     GET_PROC(BindRenderbuffer);
     GET_PROC(CheckFramebufferStatus);
     GET_PROC(DeleteFramebuffers);
     GET_PROC(DeleteRenderbuffers);
     GET_PROC(FramebufferRenderbuffer);
     GET_PROC(FramebufferTexture2D);
 
@@ skipping 169 matching lines @@
     if (extensions.has("EGL_KHR_image") || extensions.has("EGL_KHR_image_base")) {
         GET_EGL_PROC_SUFFIX(CreateImage, KHR);
         GET_EGL_PROC_SUFFIX(DestroyImage, KHR);
     }
 
     interface->fStandard = kGLES_GrGLStandard;
     interface->fExtensions.swap(&extensions);
 
     return interface;
 }