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

gpu/command_buffer/build_gles2_cmd_buffer.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """code generator for GLES2 command buffers."""
 
 import itertools
 import os
 import os.path
@@ skipping 2900 matching lines @@
     'client_test': False,
   },
   'GetVertexAttribiv': {
     'type': 'GETn',
     'result': ['SizedResult<GLint>'],
     'impl_decl': False,
     'decoder_func': 'DoGetVertexAttribiv',
     'expectation': False,
     'client_test': False,
   },
+  'GetVertexAttribIiv': {
+    'type': 'GETn',
+    'result': ['SizedResult<GLint>'],
+    'impl_decl': False,
+    'decoder_func': 'DoGetVertexAttribIiv',
+    'expectation': False,
+    'client_test': False,
+    'unsafe': True,
+  },
+  'GetVertexAttribIuiv': {
+    'type': 'GETn',
+    'result': ['SizedResult<GLuint>'],
+    'impl_decl': False,
+    'decoder_func': 'DoGetVertexAttribIuiv',
+    'expectation': False,
+    'client_test': False,
+    'unsafe': True,
+  },
   'GetVertexAttribPointerv': {
     'type': 'Custom',
     'data_transfer_methods': ['shm'],
     'result': ['SizedResult<GLuint>'],
     'client_test': False,
   },
   'InvalidateFramebuffer': {
     'type': 'PUTn',
     'count': 1,
     'client_test': False,
@@ skipping 8071 matching lines @@
   Format(gen.generated_cpp_filenames)
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     return 1
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))