Add ES3 commands GetVertexAttribI{u}iv to GPU command buffer.

gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 467 matching lines @@
   return 0;
 }
 void GLES2InterfaceStub::GetVertexAttribfv(GLuint /* index */,
                                            GLenum /* pname */,
                                            GLfloat* /* params */) {
 }
 void GLES2InterfaceStub::GetVertexAttribiv(GLuint /* index */,
                                            GLenum /* pname */,
                                            GLint* /* params */) {
 }
+void GLES2InterfaceStub::GetVertexAttribIiv(GLuint /* index */,
+                                            GLenum /* pname */,
+                                            GLint* /* params */) {
+}
+void GLES2InterfaceStub::GetVertexAttribIuiv(GLuint /* index */,
+                                             GLenum /* pname */,
+                                             GLuint* /* params */) {
+}
 void GLES2InterfaceStub::GetVertexAttribPointerv(GLuint /* index */,
                                                  GLenum /* pname */,
                                                  void** /* pointer */) {
 }
 void GLES2InterfaceStub::Hint(GLenum /* target */, GLenum /* mode */) {
 }
 void GLES2InterfaceStub::InvalidateFramebuffer(
     GLenum /* target */,
     GLsizei /* count */,
     const GLenum* /* attachments */) {
@@ skipping 760 matching lines @@
 void GLES2InterfaceStub::SwapInterval(GLint /* interval */) {
 }
 void GLES2InterfaceStub::MatrixLoadfCHROMIUM(GLenum /* matrixMode */,
                                              const GLfloat* /* m */) {
 }
 void GLES2InterfaceStub::MatrixLoadIdentityCHROMIUM(GLenum /* matrixMode */) {
 }
 void GLES2InterfaceStub::BlendBarrierKHR() {
 }
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_INTERFACE_STUB_IMPL_AUTOGEN_H_