Update from https://crrev.com/315085

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 1490 matching lines @@
   'BindBufferBase': {
     'type': 'Bind',
     'id_mapping': [ 'Buffer' ],
     'gen_func': 'GenBuffersARB',
     'unsafe': True,
   },
   'BindBufferRange': {
     'type': 'Bind',
     'id_mapping': [ 'Buffer' ],
     'gen_func': 'GenBuffersARB',
+    'valid_args': {
+      '3': '4',
+      '4': '4'
+    },
     'unsafe': True,
   },
   'BindFramebuffer': {
     'type': 'Bind',
     'decoder_func': 'DoBindFramebuffer',
     'gl_test_func': 'glBindFramebufferEXT',
     'gen_func': 'GenFramebuffersEXT',
     'trace_level': 1,
   },
   'BindRenderbuffer': {
@@ skipping 502 matching lines @@
     'data_transfer_methods': ['shm'],
     'cmd_args':
         'GLidProgram program, GLuint index, uint32_t name_bucket_id, '
         'void* result',
     'result': [
       'int32_t success',
       'int32_t size',
       'uint32_t type',
     ],
   },
+  'GetActiveUniformBlockName': {
+    'type': 'Custom',
+    'data_transfer_methods': ['shm'],
+    'cmd_args':
+        'GLidProgram program, GLuint index, uint32_t name_bucket_id, '
+        'void* result',
+    'result': ['int32_t'],
+    'unsafe': True,
+  },
   'GetAttachedShaders': {
     'type': 'Custom',
     'data_transfer_methods': ['shm'],
     'cmd_args': 'GLidProgram program, void* result, uint32_t result_size',
     'result': ['SizedResult<GLuint>'],
   },
   'GetAttribLocation': {
     'type': 'Custom',
     'data_transfer_methods': ['shm'],
     'cmd_args':
@@ skipping 150 matching lines @@
     'type': 'GETn',
     'decoder_func': 'DoGetTexParameteriv',
     'result': ['SizedResult<GLint>']
   },
   'GetTranslatedShaderSourceANGLE': {
     'type': 'STRn',
     'get_len_func': 'DoGetShaderiv',
     'get_len_enum': 'GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE',
     'unit_test': False,
     'extension': True,
-    },
+  },
+  'GetUniformBlockIndex': {
+    'type': 'Custom',
+    'data_transfer_methods': ['shm'],
+    'cmd_args':
+        'GLidProgram program, uint32_t name_bucket_id, GLuint* index',
+    'result': ['GLuint'],
+    'error_return': 'GL_INVALID_INDEX',
+    'unsafe': True,
+  },
+  'GetUniformBlocksCHROMIUM': {
+    'type': 'Custom',
+    'expectation': False,
+    'impl_func': False,
+    'extension': True,
+    'chromium': True,
+    'client_test': False,
+    'cmd_args': 'GLidProgram program, uint32_t bucket_id',
+    'result': ['uint32_t'],
+    'unsafe': True,
+  },
   'GetUniformfv': {
     'type': 'Custom',
     'data_transfer_methods': ['shm'],
     'result': ['SizedResult<GLfloat>'],
   },
   'GetUniformiv': {
     'type': 'Custom',
     'data_transfer_methods': ['shm'],
     'result': ['SizedResult<GLint>'],
   },
@@ skipping 800 matching lines @@
     'chromium': True,
     'client_test': False,
   },
   'ShallowFlushCHROMIUM': {
     'impl_func': False,
     'gen_cmd': False,
     'extension': True,
     'chromium': True,
     'client_test': False,
   },
+  'OrderingBarrierCHROMIUM': {
+    'impl_func': False,
+    'gen_cmd': False,
+    'extension': True,
+    'chromium': True,
+    'client_test': False,
+  },
   'TraceBeginCHROMIUM': {
     'type': 'Custom',
     'impl_func': False,
     'client_test': False,
     'cmd_args': 'GLuint category_bucket_id, GLuint name_bucket_id',
     'extension': True,
     'chromium': True,
   },
   'TraceEndCHROMIUM': {
     'impl_func': False,
@@ skipping 7064 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:]))