Use the new mojom parser from check_mojom_dart.py.

mojo/public/tools/bindings/run_code_generators.py

 #!/usr/bin/env python
 # Copyright 2015 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.
 #
 # This script accepts the output of version 2 of the mojom parser and uses that
 # data to invoke the code generators.
 
 import argparse
 import imp
@@ skipping 49 matching lines @@
 sys.path.insert(0, PYTHON_SDK_DIR)
 # In order to use mojom_files_mojom we need to make sure the dummy mojo_system
 # can be found on the python path.
 sys.path.insert(0, os.path.join(PYTHON_SDK_DIR, "dummy_mojo_system"))
 
 sys.path.insert(0, os.path.join(THIS_DIR, "pylib"))
 
 
 from mojom.generate.generated import mojom_files_mojom
 from mojom.generate import mojom_translator
+from mojom.parse import parser_runner
 from mojo_bindings import serialization
 
 
 def LoadGenerators(generators_string):
   if not generators_string:
     return []  # No generators.
 
   generators_dir = os.path.join(THIS_DIR, "generators")
   generators = []
   for generator_name in [s.strip() for s in generators_string.split(",")]:
@@ skipping 32 matching lines @@
 def ReadMojomFileGraphFromFile(fp):
   """Reads a mojom_files_mojom.MojomFileGraph from a file.
 
   Args:
     fp: A file pointer from which a serialized mojom_fileS_mojom.MojomFileGraph
         can be read.
 
   Returns:
     The mojom_files_mojom.MojomFileGraph that was deserialized from the file.
   """
-  data = bytearray(fp.read())
-  context = serialization.RootDeserializationContext(data, [])
-  return mojom_files_mojom.MojomFileGraph.Deserialize(context)
-
+  return parser_runner.DeserializeMojomFileGraph(fp.read())
 
 def FixModulePath(module, abs_src_root_path):
   """Fix the path attribute of the provided module and its imports.
 
   The path provided for the various modules is the absolute path to the mojom
   file which the module represents. But the generators expect the path to be
   relative to the root of the source tree.
 
   Args:
     module: {module.Module} whose path is to be updated.
@@ skipping 44 matching lines @@
         filtered_args = [arg for arg in remaining_args
                          if arg.startswith(prefix)]
       if args.generate_type_info:
         filtered_args.append("--generate_type_info")
 
       generator.GenerateFiles(filtered_args)
 
 
 if __name__ == "__main__":
   sys.exit(main())