Add glGetFragDataLocation 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 2010 matching lines @@
     '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':
         'GLidProgram program, uint32_t name_bucket_id, GLint* location',
     'result': ['GLint'],
-    'error_return': -1, # http://www.opengl.org/sdk/docs/man/xhtml/glGetAttribLocation.xml
+    'error_return': -1,
+  },
+  'GetFragDataLocation': {
+    'type': 'Custom',
+    'data_transfer_methods': ['shm'],
+    'cmd_args':
+        'GLidProgram program, uint32_t name_bucket_id, GLint* location',
+    'result': ['GLint'],
+    'error_return': -1,
+    'unsafe': True,
   },
   'GetBooleanv': {
     'type': 'GETn',
     'result': ['SizedResult<GLboolean>'],
     'decoder_func': 'DoGetBooleanv',
     'gl_test_func': 'glGetBooleanv',
   },
   'GetBufferParameteriv': {
     'type': 'GETn',
     'result': ['SizedResult<GLint>'],
@@ skipping 1789 matching lines @@
               gl_arg_strings.append(arg.GetValidClientSideArg(func))
 
           file.Write(code % {
             'name': func.name,
             'invalid_index': func.GetOriginalArgs().index(invalid_arg),
             'args': ", ".join(gl_arg_strings),
             'gl_error': invalid[2],
           })
     else:
       if client_test != False:
-        file.Write("// TODO: Implement unit test for %s\n" % func.name)
+        file.Write("// TODO(zmo): Implement unit test for %s\n" % func.name)
 
   def WriteDestinationInitalizationValidation(self, func, file):
     """Writes the client side destintion initialization validation."""
     for arg in func.GetOriginalArgs():
       arg.WriteDestinationInitalizationValidation(file, func)
 
   def WriteTraceEvent(self, func, file):
     file.Write('  TRACE_EVENT0("gpu", "GLES2Implementation::%s");\n' %
                func.original_name)
 
@@ skipping 6200 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:]))