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

mojo/public/tools/bindings/pylib/mojom/generate/template_expander.py

-# Copyright 2013 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.
-
-# Based on:
-# http://src.chromium.org/viewvc/blink/trunk/Source/build/scripts/template_expander.py
-
-import imp
-import inspect
-import os.path
-import sys
-
-# Disable lint check for finding modules:
-# pylint: disable=F0401
-
-try:
-  imp.find_module("jinja2")
-except ImportError:
-  # Assume this file is in tools/pylib/bindings/mojom/generate.
-  sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)),
-                               os.pardir, os.pardir, os.pardir, os.pardir,
-                               os.pardir, "third_party"))
-import jinja2
-
-
-def ApplyTemplate(mojo_generator, base_dir, path_to_template, params,
-                  filters=None, **kwargs):
-  template_directory, template_name = os.path.split(path_to_template)
-  path_to_templates = os.path.join(base_dir, template_directory)
-  loader = jinja2.FileSystemLoader([path_to_templates])
-  final_kwargs = dict(mojo_generator.GetJinjaParameters())
-  final_kwargs.update(kwargs)
-  jinja_env = jinja2.Environment(loader=loader, keep_trailing_newline=True,
-                                 **final_kwargs)
-  jinja_env.globals.update(mojo_generator.GetGlobals())
-  if filters:
-    jinja_env.filters.update(filters)
-  template = jinja_env.get_template(template_name)
-  return template.render(params)
-
-
-def UseJinja(path_to_template, **kwargs):
-  # Get the directory of our caller's file.
-  base_dir = os.path.dirname(inspect.getfile(sys._getframe(1)))
-  def RealDecorator(generator):
-    def GeneratorInternal(*args, **kwargs2):
-      parameters = generator(*args, **kwargs2)
-      return ApplyTemplate(args[0], base_dir, path_to_template, parameters,
-                           **kwargs)
-    GeneratorInternal.func_name = generator.func_name
-    return GeneratorInternal
-  return RealDecorator