fix --show-composited-layer-borders on Mac

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 483 matching lines @@
         'default': '0',
         'es3': True,
         'manual': True,
       }
     ],
   },
   # TODO: Consider implemenenting these states
   # GL_ACTIVE_TEXTURE
   'LineWidth': {
     'type': 'Normal',
-    'func': 'LineWidth',
+    'custom_function' : True,
+    'func': 'DoLineWidth',
     'enum': 'GL_LINE_WIDTH',
     'states': [
       {
         'name': 'line_width',
         'type': 'GLfloat',
         'default': '1.0f',
         'range_checks': [{'check': "<= 0.0f", 'test_value': "0.0f"}],
         'nan_check': True,
       }],
   },
@@ skipping 9751 matching lines @@
             for place, item in enumerate(state['states']):
               item_name = CachedStateName(item)
               args.append('%s' % item_name)
               if test_prev:
                 if place > 0:
                   f.write(' ||\n')
                 f.write("(%s != prev_state->%s)" %
                            (item_name, item_name))
             if test_prev:
               f.write("    )\n")
-            f.write("  gl%s(%s);\n" % (state['func'], ", ".join(args)))
+            if 'custom_function' in state:
+              f.write("  %s(%s);\n" % (state['func'], ", ".join(args)))
+            else:
+              f.write("  gl%s(%s);\n" % (state['func'], ", ".join(args)))
 
       f.write("  if (prev_state) {")
       WriteStates(True)
       f.write("  } else {")
       WriteStates(False)
       f.write("  }")
       f.write("  InitStateManual(prev_state);")
       f.write("}\n")
 
       f.write("""bool ContextState::GetEnabled(GLenum cap) const {
@@ skipping 888 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:]))