Fix python scripts in src/chrome/

chrome/third_party/jstemplate/compile.py

 #!/usr/bin/env python
-# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Copyright (c) 2011 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.
 
-# A python script that combines the javascript files needed by jstemplate into
-# a single file.
+"""Combines the javascript files needed by jstemplate into a single file."""
 
 import httplib
 import urllib
 
-srcs ="util.js jsevalcontext.js jstemplate.js exports.js".split()
-out = "jstemplate_compiled.js"
 
-# Wrap the output in an anonymous function to prevent poluting the global
-# namespace.
-output_wrapper = "(function(){%s})()"
+def main():
+  srcs = ['util.js', 'jsevalcontext.js', 'jstemplate.js', 'exports.js']
+  out = 'jstemplate_compiled.js'
 
-# Define the parameters for the POST request and encode them in a URL-safe
-# format. See http://code.google.com/closure/compiler/docs/api-ref.html for API
-# reference.
-params = urllib.urlencode(
-  map(lambda src: ('js_code', file(src).read()), srcs) +
-  [
-    ('compilation_level', 'ADVANCED_OPTIMIZATIONS'),
-    ('output_format', 'text'),
-    ('output_info', 'compiled_code'),
-  ])
+  # Wrap the output in an anonymous function to prevent poluting the global
+  # namespace.
+  output_wrapper = '(function(){%s})()'
 
-# Always use the following value for the Content-type header.
-headers = {'Content-type': 'application/x-www-form-urlencoded'}
-conn = httplib.HTTPConnection('closure-compiler.appspot.com')
-conn.request('POST', '/compile', params, headers)
-response = conn.getresponse()
-out_file = file(out, 'w')
-out_file.write(output_wrapper % response.read())
-out_file.close()
-conn.close()
+  # Define the parameters for the POST request and encode them in a URL-safe
+  # format. See http://code.google.com/closure/compiler/docs/api-ref.html for
+  # API reference.
+  params = urllib.urlencode(
+    map(lambda src: ('js_code', file(src).read()), srcs) +
+    [
+      ('compilation_level', 'ADVANCED_OPTIMIZATIONS'),
+      ('output_format', 'text'),
+      ('output_info', 'compiled_code'),
+    ])
+
+  # Always use the following value for the Content-type header.
+  headers = {'Content-type': 'application/x-www-form-urlencoded'}
+  conn = httplib.HTTPConnection('closure-compiler.appspot.com')
+  conn.request('POST', '/compile', params, headers)
+  response = conn.getresponse()
+  out_file = file(out, 'w')
+  out_file.write(output_wrapper % response.read())
+  out_file.close()
+  conn.close()
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())