Fix python scripts in src/tools/

tools/site_compare/scrapers/__init__.py

Index: tools/site_compare/scrapers/__init__.py
diff --git a/tools/site_compare/scrapers/__init__.py b/tools/site_compare/scrapers/__init__.py
old mode 100644
new mode 100755
index cb82b2bdde58a951cb98968f50d7a0d54f0df2c1..5f6d77885b7251eb6cdedad19b6740aa11e819df
--- a/tools/site_compare/scrapers/__init__.py
+++ b/tools/site_compare/scrapers/__init__.py
@@ -1,11 +1,10 @@
-#!/usr/bin/python2.4
-#
-# Copyright 2007 Google Inc. 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.
 
 """Selects the appropriate scraper for a given browser and version."""
 
-__author__ = 'jhaas@google.com (Jonathan Haas)'
-
 import types
 
 # TODO(jhaas): unify all optional scraper parameters into kwargs
@@ -28,7 +27,7 @@ def GetScraper(browser):
 
   return module
 
+
 # if invoked rather than imported, do some tests
 if __name__ == "__main__":
   print GetScraper("IE")
-