Fix python scripts in src/tools/

Make sure that:
- shebang is only present for executable files
- shebang is #!/usr/bin/env python
- __main__ is only present for executable files
- file's executable bit is coherent

Also fix EOF LF to be only one.

TBR=timurrrr@chromium.org
BUG=105108
TEST=

Review URL: http://codereview.chromium.org/8678023

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@111960 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 15 insertions, 12 deletions

diff --git a/tools/playback_benchmark/playback_driver.py b/tools/playback_benchmark/playback_driver.py
index cf8d2a0..ef6c7b4 100644
--- a/tools/playback_benchmark/playback_driver.py
+++ b/tools/playback_benchmark/playback_driver.py
@@ -1,7 +1,6 @@
-#!/usr/bin/env python
-#
-# Copyright 2010 Google Inc. 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.
 """Playback driver."""
 
 import cgi
diff --git a/tools/playback_benchmark/proxy_handler.py b/tools/playback_benchmark/proxy_handler.py
index 05da078..b45f960 100644
--- a/tools/playback_benchmark/proxy_handler.py
+++ b/tools/playback_benchmark/proxy_handler.py
@@ -1,7 +1,6 @@
-#!/usr/bin/env python
-#
-# Copyright 2010 Google Inc. 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.
 """HTTP proxy request handler with SSL support.
 
   RequestHandler: Utility class for parsing HTTP requests.
diff --git a/tools/playback_benchmark/run.py b/tools/playback_benchmark/run.py
index 231ee84..04ed12b 100644..100755
--- a/tools/playback_benchmark/run.py
+++ b/tools/playback_benchmark/run.py
@@ -1,8 +1,9 @@
 #!/usr/bin/env python
-#
-# Copyright 2010 Google Inc. 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.
 
-"""Script for test playback.
+"""Tests playback.
 
 Prerequisites:
 1. OpenSSL library - http://www.openssl.org/
@@ -13,6 +14,7 @@ python run.py -t <test_dir>
 """
 
 from optparse import OptionParser
+import sys
 
 import playback_driver
 import proxy_handler
@@ -26,7 +28,7 @@ def Run(options):
   httpd.serve_forever()
 
 
-if __name__ == '__main__':
+def main():
   parser = OptionParser()
   parser.add_option("-t", "--test-dir", dest="test_dir",
                     help="directory containing recorded test data")
@@ -37,3 +39,6 @@ if __name__ == '__main__':
 
   Run(options)
 
+
+if __name__ == '__main__':
+  sys.exit(main())