Fix many* python scripts in src/

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.

* Do not fix them all at once otherwise the CL would be too large.

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

Review URL: http://codereview.chromium.org/8665013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@111427 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 17 insertions, 9 deletions

diff --git a/chrome_frame/combine_libs.py b/chrome_frame/combine_libs.py
index 5a2efec..8f2380c 100644..100755
--- a/chrome_frame/combine_libs.py
+++ b/chrome_frame/combine_libs.py
@@ -1,4 +1,5 @@
-# Copyright (c) 2010 The Chromium Authors. All rights reserved.
+#!/usr/bin/env python
+# 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.
 
@@ -108,7 +109,8 @@ def Main():
     del os.environ['VS_UNICODE_OUTPUT']
 
   CombineLibraries(output, remove_re, args)
+  return 0
 
 
 if __name__ == '__main__':
-  Main()
+  sys.exit(Main())
diff --git a/chrome_frame/tools/helper_shutdown.py b/chrome_frame/tools/helper_shutdown.py
index 770adda..a818808 100644..100755
--- a/chrome_frame/tools/helper_shutdown.py
+++ b/chrome_frame/tools/helper_shutdown.py
@@ -1,14 +1,18 @@
-# Copyright (c) 2010 The Chromium Authors. All rights reserved.
+#!/usr/bin/env python
+# 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.
-'''This is a simple helper script to shut down the Chrome Frame helper process.
-It needs the Python Win32 extensions.'''
+"""This is a simple helper script to shut down the Chrome Frame helper process.
+
+Requires Python Win32 extensions.
+"""
 
 import pywintypes
 import sys
 import win32gui
 import win32con
 
+
 def main():
   exit_code = 0
   window = win32gui.FindWindow('ChromeFrameHelperWindowClass',
@@ -23,8 +27,8 @@ def main():
       print 'Failed to shutdown Chrome Frame helper process: '
       print ex
       exit_code = 1
-
   return exit_code
 
+
 if __name__ == '__main__':
   sys.exit(main())
diff --git a/chrome_frame/tools/smoke_test.py b/chrome_frame/tools/smoke_test.py
index f28d0a6..bc8959e 100644..100755
--- a/chrome_frame/tools/smoke_test.py
+++ b/chrome_frame/tools/smoke_test.py
@@ -1,9 +1,11 @@
-# Copyright (c) 2010 The Chromium Authors. All rights reserved.
+#!/usr/bin/env python
+# 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.
-'''This script builds and runs the Chrome Frame unit and integration tests,
+"""Builds and runs the Chrome Frame unit and integration tests,
 the exit status of the scrip is the number of failed tests.
-'''
+"""
+
 import os.path
 import sys
 import win32com.client