DCHECK if shader compilation fails that it's due to context loss.

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 2681 matching lines @@
     'result': ['SizedResult<GLfloat>'],
     'decoder_func': 'DoGetFloatv',
     'gl_test_func': 'glGetFloatv',
   },
   'GetFramebufferAttachmentParameteriv': {
     'type': 'GETn',
     'decoder_func': 'DoGetFramebufferAttachmentParameteriv',
     'gl_test_func': 'glGetFramebufferAttachmentParameterivEXT',
     'result': ['SizedResult<GLint>'],
   },
+  'GetGraphicsResetStatusKHR': {
+    'extension': True,
+    'client_test': False,
+    'gen_cmd': False,

[danakj, 2015/06/08 22:02:51]

This is the one weird trick to keep the function out of the command
stream/decoder.

+    'trace_level': 1,
+  },
   'GetInteger64v': {
     'type': 'GETn',
     'result': ['SizedResult<GLint64>'],
     'client_test': False,
     'decoder_func': 'DoGetInteger64v',
     'unsafe': True
   },
   'GetIntegerv': {
     'type': 'GETn',
     'result': ['SizedResult<GLint>'],
@@ skipping 8359 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:]))