[inspector_protocol] Fix building with non-ASCII paths

CodeGenerator.py

 # 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.
 
 import os.path
 import sys
 import optparse
 import collections
 import functools
 import re
@@ skipping 41 matching lines @@
     try:
         cmdline_parser = optparse.OptionParser()
         cmdline_parser.add_option("--output_base")
         cmdline_parser.add_option("--jinja_dir")
         cmdline_parser.add_option("--config")
         cmdline_parser.add_option("--config_value", action="append", type="string")
         arg_options, _ = cmdline_parser.parse_args()
         jinja_dir = arg_options.jinja_dir
         if not jinja_dir:
             raise Exception("jinja directory must be specified")
+        jinja_dir = jinja_dir.decode('utf8')
         output_base = arg_options.output_base
         if not output_base:
             raise Exception("Base output directory must be specified")
+        output_base = output_base.decode('utf8')
         config_file = arg_options.config
         if not config_file:
             raise Exception("Config file name must be specified")
+        config_file = config_file.decode('utf8')
         config_base = os.path.dirname(config_file)
         config_values = arg_options.config_value
         if not config_values:
             config_values = []
     except Exception:
         # Work with python 2 and 3 http://docs.python.org/py3k/howto/pyporting.html
         exc = sys.exc_info()[1]
         sys.stderr.write("Failed to parse command-line arguments: %s\n\n" % exc)
         exit(1)
 
@@ skipping 515 matching lines @@
     if up_to_date:
         sys.exit()
 
     for file_name, content in outputs.iteritems():
         out_file = open(file_name, "w")
         out_file.write(content)
         out_file.close()
 
 
 main()