Make the fuchsia mojo/public repo the source of truth.

mojo/public/tools/bindings/mojom_tool.py

-#!/usr/bin/env python
-# Copyright 2016 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.
-
-# mojom_tool.py invokes the mojom tool built for the operating system and
-# architecture on which this script is run. It forwards all of its command
-# line arguments to the mojom tool blindly. This script's exit code is the
-# mojom tool's exit code.
-
-import os
-import platform
-import subprocess
-import sys
-
-def main(args):
-  # We assume this script is located in the Mojo SDK in tools/bindings.
-  this_dir = os.path.abspath(os.path.dirname(__file__))
-
-  system_dirs = {
-      ('Linux', '64bit'): 'linux64',
-      ('Darwin', '64bit'): 'mac64',
-      }
-  system = (platform.system(), platform.architecture()[0])
-  if system not in system_dirs:
-    raise Exception('The mojom tool only supports Linux or Mac 64 bits.')
-
-  mojom_tool = os.path.join(
-      this_dir, 'mojom_tool', 'bin', system_dirs[system], 'mojom')
-
-  if not os.path.exists(mojom_tool):
-    raise Exception(
-        "The mojom tool could not be found at %s. "
-        "You may need to run gclient sync."
-        % mojom_tool)
-
-  cmd = [mojom_tool]
-  cmd.extend(args)
-
-  process = subprocess.Popen(cmd)
-  return process.wait()
-
-if __name__ == "__main__":
-  sys.exit(main(sys.argv[1:]))