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

26 files changed, 93 insertions, 113 deletions

diff --git a/tools/site_compare/command_line.py b/tools/site_compare/command_line.py
index 2c87fb9..de93d18 100644..100755
--- a/tools/site_compare/command_line.py
+++ b/tools/site_compare/command_line.py
@@ -1,5 +1,5 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -660,7 +660,8 @@ def DoHelpCommand(command):
 
     command.cmdline.Exit()
 
-if __name__ == "__main__":
+
+def main():
   # If we're invoked rather than imported, run some tests
   cmdline = CommandLine()
 
@@ -797,3 +798,5 @@ if __name__ == "__main__":
   cmdline.ParseCommandLine(["help", "test"])
 
 
+if __name__ == "__main__":
+  sys.exit(main())
diff --git a/tools/site_compare/commands/__init__.py b/tools/site_compare/commands/__init__.py
index a699508..e69de29 100644..100755
--- a/tools/site_compare/commands/__init__.py
+++ b/tools/site_compare/commands/__init__.py
@@ -1,2 +0,0 @@
-#!/usr/bin/Python2.4
-
diff --git a/tools/site_compare/commands/compare2.py b/tools/site_compare/commands/compare2.py
index 045141b..7e15559 100644
--- a/tools/site_compare/commands/compare2.py
+++ b/tools/site_compare/commands/compare2.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -169,4 +168,3 @@ def ExecuteCompare2(command):
                                       scrape_info_list[0].result,
                                       scrape_info_list[1].result,
                                       result))
-
diff --git a/tools/site_compare/commands/maskmaker.py b/tools/site_compare/commands/maskmaker.py
index 73b732c..8aeefcb 100644
--- a/tools/site_compare/commands/maskmaker.py
+++ b/tools/site_compare/commands/maskmaker.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -271,4 +270,3 @@ def ExecuteMaskmaker(command):
            "reaching the giveup threshhold" % len(url_list))
     for url in url_list:
       print "    ", url.url
-
diff --git a/tools/site_compare/commands/measure.py b/tools/site_compare/commands/measure.py
index 086fcbe..2bd71f5 100644
--- a/tools/site_compare/commands/measure.py
+++ b/tools/site_compare/commands/measure.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -51,4 +50,3 @@ def ExecuteMeasure(command):
 
   # Close the log file and return. We're done.
   log_file.close()
-
diff --git a/tools/site_compare/commands/scrape.py b/tools/site_compare/commands/scrape.py
index 1c47cab..8fee5a3 100644
--- a/tools/site_compare/commands/scrape.py
+++ b/tools/site_compare/commands/scrape.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -58,4 +57,3 @@ def ExecuteScrape(command):
 
   # Close the log file and return. We're done.
   if log_file: log_file.close()
-
diff --git a/tools/site_compare/commands/timeload.py b/tools/site_compare/commands/timeload.py
index ca5b0db..f34ee1d 100644
--- a/tools/site_compare/commands/timeload.py
+++ b/tools/site_compare/commands/timeload.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -39,7 +38,8 @@ def CreateCommand(cmdline):
     ["-bp", "--browserpaths"], "List of paths to browsers. Comma-separated",
     type="string", required=False)
   cmd.AddArgument(
-    ["-bv", "--browserversions"], "List of versions of browsers. Comma-separated",
+    ["-bv", "--browserversions"],
+    "List of versions of browsers. Comma-separated",
     type="string", required=False)
   cmd.AddArgument(
     ["-u", "--url"], "URL to time")
@@ -142,5 +142,3 @@ def ExecuteTimeLoad(command):
     log_file.write(url)
     for b in xrange(num_browsers):
       log_file.write(",%r" % results[url][b])
-
-
diff --git a/tools/site_compare/drivers/__init__.py b/tools/site_compare/drivers/__init__.py
index fa9f1c2..9b46261 100644
--- a/tools/site_compare/drivers/__init__.py
+++ b/tools/site_compare/drivers/__init__.py
@@ -1,11 +1,9 @@
-#!/usr/bin/python2.4
-#
-# Copyright 2007 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.
 
 """Imports a set of drivers appropriate to the current OS."""
 
-__author__ = 'jhaas@google.com (Jonathan Haas)'
-
 import sys
 
 platform_dir = sys.platform
diff --git a/tools/site_compare/drivers/win32/keyboard.py b/tools/site_compare/drivers/win32/keyboard.py
index 246e14c..e3410e1 100644..100755
--- a/tools/site_compare/drivers/win32/keyboard.py
+++ b/tools/site_compare/drivers/win32/keyboard.py
@@ -1,5 +1,5 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -166,7 +166,8 @@ def TypeString(string_to_type,
   if ctrl_held:  PressKey(False, win32con.VK_CONTROL)
   if alt_held:   PressKey(False, win32con.VK_MENU)
 
-if __name__ == "__main__":
+
+def main():
   # We're being invoked rather than imported. Let's do some tests
 
   # Press command-R to bring up the Run dialog
@@ -196,3 +197,5 @@ if __name__ == "__main__":
              time_between_keystrokes=0.05)
 
 
+if __name__ == "__main__":
+  sys.exit(main())
diff --git a/tools/site_compare/drivers/win32/mouse.py b/tools/site_compare/drivers/win32/mouse.py
index bd16272..0096af9 100644..100755
--- a/tools/site_compare/drivers/win32/mouse.py
+++ b/tools/site_compare/drivers/win32/mouse.py
@@ -1,5 +1,5 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -189,7 +189,8 @@ def DoubleClickInWindow(
   time.sleep(time_between_clicks)
   ClickInWindow(hwnd, offset, button, click_time)
 
-if __name__ == "__main__":
+
+def main():
   # We're being invoked rather than imported. Let's do some tests
 
   screen_size = win32gui.GetClientRect(win32gui.GetDesktopWindow())
@@ -216,3 +217,6 @@ if __name__ == "__main__":
   MoveToLocation((0, 0), 3)
   ClickButton()
 
+
+if __name__ == "__main__":
+  sys.exit(main())
diff --git a/tools/site_compare/drivers/win32/windowing.py b/tools/site_compare/drivers/win32/windowing.py
index fe77c56..47d63f0 100644..100755
--- a/tools/site_compare/drivers/win32/windowing.py
+++ b/tools/site_compare/drivers/win32/windowing.py
@@ -1,5 +1,5 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -338,7 +338,8 @@ def PreparePath(path):
   except OSError, e:
     if e[0] != 17: raise e   # error 17: path already exists
 
-if __name__ == "__main__":
+
+def main():
   PreparePath(r"c:\sitecompare\scrapes\ie7")
   # We're being invoked rather than imported. Let's do some tests
 
@@ -360,3 +361,6 @@ if __name__ == "__main__":
 
   EndProcess(proc, 0)
 
+
+if __name__ == "__main__":
+  sys.exit(main())
diff --git a/tools/site_compare/operators/__init__.py b/tools/site_compare/operators/__init__.py
index f60e8e8..5d6ffd7 100644
--- a/tools/site_compare/operators/__init__.py
+++ b/tools/site_compare/operators/__init__.py
@@ -1,11 +1,9 @@
-#!/usr/bin/python2.4
-#
-# Copyright 2007 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.
 
 """Selects the appropriate operator."""
 
-__author__ = 'jhaas@google.com (Jonathan Haas)'
-
 
 def GetOperator(operator):
   """Given an operator by name, returns its module.
@@ -23,4 +21,3 @@ def GetOperator(operator):
   module = __import__(operator, globals(), locals(), [''])
 
   return module
-
diff --git a/tools/site_compare/operators/equals.py b/tools/site_compare/operators/equals.py
index 4054fa6..311f530 100644
--- a/tools/site_compare/operators/equals.py
+++ b/tools/site_compare/operators/equals.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -36,6 +35,3 @@ def Compare(file1, file2, **kwargs):
     return ("The images differ", diff)
   else:
     return None
-
-
-
diff --git a/tools/site_compare/operators/equals_with_mask.py b/tools/site_compare/operators/equals_with_mask.py
index d6abd53..e42f7e1 100644
--- a/tools/site_compare/operators/equals_with_mask.py
+++ b/tools/site_compare/operators/equals_with_mask.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -56,6 +55,3 @@ def Compare(file1, file2, **kwargs):
     return ("The images differ", diff)
   else:
     return None
-
-
-
diff --git a/tools/site_compare/scrapers/__init__.py b/tools/site_compare/scrapers/__init__.py
index cb82b2b..5f6d778 100644..100755
--- 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")
-
diff --git a/tools/site_compare/scrapers/chrome/__init__.py b/tools/site_compare/scrapers/chrome/__init__.py
index 6342525..587a50d 100644..100755
--- a/tools/site_compare/scrapers/chrome/__init__.py
+++ b/tools/site_compare/scrapers/chrome/__init__.py
@@ -1,10 +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 Chrome."""
 
-__author__ = 'jhaas@google.com (Jonathan Haas)'
 
 def GetScraper(version):
   """Returns the scraper module for the given version.
@@ -30,9 +30,7 @@ def GetScraper(version):
 
   return __import__(scraper_version, globals(), locals(), [''])
 
+
 # if invoked rather than imported, test
 if __name__ == "__main__":
-  version = "0.1.101.0"
-
-  print GetScraper(version).version
-
+  print GetScraper("0.1.101.0").version
diff --git a/tools/site_compare/scrapers/chrome/chrome011010.py b/tools/site_compare/scrapers/chrome/chrome011010.py
index b4f816f..6f0dfb4 100644
--- a/tools/site_compare/scrapers/chrome/chrome011010.py
+++ b/tools/site_compare/scrapers/chrome/chrome011010.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -41,4 +40,3 @@ def Time(urls, size, timeout, **kwargs):
   chromebase.GetChromeRenderPane = GetChromeRenderPane
 
   return chromebase.Time(urls, size, timeout, kwargs)
-
diff --git a/tools/site_compare/scrapers/chrome/chrome01970.py b/tools/site_compare/scrapers/chrome/chrome01970.py
index 54bc670..2f237fa 100644
--- a/tools/site_compare/scrapers/chrome/chrome01970.py
+++ b/tools/site_compare/scrapers/chrome/chrome01970.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -41,4 +40,3 @@ def Time(urls, size, timeout, **kwargs):
   chromebase.GetChromeRenderPane = GetChromeRenderPane
 
   return chromebase.Time(urls, size, timeout, kwargs)
-
diff --git a/tools/site_compare/scrapers/chrome/chromebase.py b/tools/site_compare/scrapers/chrome/chromebase.py
index aba17c1..2b8f177 100644..100755
--- a/tools/site_compare/scrapers/chrome/chromebase.py
+++ b/tools/site_compare/scrapers/chrome/chromebase.py
@@ -1,5 +1,5 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -12,10 +12,12 @@ from drivers import keyboard
 from drivers import mouse
 from drivers import windowing
 
+
 # TODO: this has moved, use some logic to find it. For now,
 # expects a subst k:.
 DEFAULT_PATH = r"k:\chrome.exe"
 
+
 def InvokeBrowser(path):
   """Invoke the Chrome browser.
 
@@ -179,7 +181,7 @@ def Time(urls, size, timeout, kwargs):
   return ret
 
 
-if __name__ == "__main__":
+def main():
   # We're being invoked rather than imported, so run some tests
   path = r"c:\sitecompare\scrapes\chrome\0.1.97.0"
   windowing.PreparePath(path)
@@ -190,4 +192,8 @@ if __name__ == "__main__":
     "http://www.google.com",
     "http://www.sun.com"],
          path, (1024, 768), (0, 0))
+  return 0
 
+
+if __name__ == "__main__":
+  sys.exit(main())
diff --git a/tools/site_compare/scrapers/firefox/__init__.py b/tools/site_compare/scrapers/firefox/__init__.py
index 7eb9291..34c0699 100644..100755
--- a/tools/site_compare/scrapers/firefox/__init__.py
+++ b/tools/site_compare/scrapers/firefox/__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 Firefox."""
 
-__author__ = 'jhaas@google.com (Jonathan Haas)'
-
 
 def GetScraper(version):
   """Returns the scraper module for the given version.
@@ -23,9 +22,7 @@ def GetScraper(version):
   # We only have one version of the Firefox scraper for now
   return __import__("firefox2", globals(), locals(), [''])
 
+
 # if invoked rather than imported, test
 if __name__ == "__main__":
-  version = "2.0.0.6"
-
   print GetScraper("2.0.0.6").version
-
diff --git a/tools/site_compare/scrapers/firefox/firefox2.py b/tools/site_compare/scrapers/firefox/firefox2.py
index fa0d620..2181f58 100644..100755
--- a/tools/site_compare/scrapers/firefox/firefox2.py
+++ b/tools/site_compare/scrapers/firefox/firefox2.py
@@ -1,5 +1,5 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -232,7 +232,7 @@ def Time(urls, size, timeout, **kwargs):
   return ret
 
 
-if __name__ == "__main__":
+def main():
   # We're being invoked rather than imported, so run some tests
   path = r"c:\sitecompare\scrapes\Firefox\2.0.0.6"
   windowing.PreparePath(path)
@@ -242,4 +242,8 @@ if __name__ == "__main__":
     ["http://www.microsoft.com", "http://www.google.com",
      "http://www.sun.com"],
     path, (1024, 768), (0, 0))
+  return 0
+
 
+if __name__ == "__main__":
+  sys.exit(main())
diff --git a/tools/site_compare/scrapers/ie/__init__.py b/tools/site_compare/scrapers/ie/__init__.py
index 8fb95db..b4dab09 100644..100755
--- a/tools/site_compare/scrapers/ie/__init__.py
+++ b/tools/site_compare/scrapers/ie/__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 Internet Explorer."""
 
-__author__ = 'jhaas@google.com (Jonathan Haas)'
-
 
 def GetScraper(version):
   """Returns the scraper module for the given version.
@@ -23,9 +22,7 @@ def GetScraper(version):
   # We only have one version of the IE scraper for now
   return __import__("ie7", globals(), locals(), [''])
 
+
 # if invoked rather than imported, test
 if __name__ == "__main__":
-  version = "7.0.5370.1"
-
-  print GetScraper(version).version
-
+  print GetScraper("7.0.5370.1").version
diff --git a/tools/site_compare/scrapers/ie/ie7.py b/tools/site_compare/scrapers/ie/ie7.py
index da26d9b..dcb83ca 100644..100755
--- a/tools/site_compare/scrapers/ie/ie7.py
+++ b/tools/site_compare/scrapers/ie/ie7.py
@@ -1,5 +1,5 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -192,7 +192,7 @@ def Time(urls, size, timeout, **kwargs):
   return ret
 
 
-if __name__ == "__main__":
+def main():
   # We're being invoked rather than imported, so run some tests
   path = r"c:\sitecompare\scrapes\ie7\7.0.5380.11"
   windowing.PreparePath(path)
@@ -203,4 +203,8 @@ if __name__ == "__main__":
      "http://www.google.com",
      "http://www.sun.com"],
     path, (1024, 768), (0, 0))
+  return 0
+
 
+if __name__ == "__main__":
+  sys.exit(main())
diff --git a/tools/site_compare/site_compare.py b/tools/site_compare/site_compare.py
index 15359fa..db9216f 100644..100755
--- a/tools/site_compare/site_compare.py
+++ b/tools/site_compare/site_compare.py
@@ -1,5 +1,5 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -169,9 +169,8 @@ def main():
   commands.scrape.CreateCommand(cmdline)
 
   cmdline.ParseCommandLine()
-
+  return 0
 
 
 if __name__ == "__main__":
-  main()
-
+  sys.exit(main())
diff --git a/tools/site_compare/utils/__init__.py b/tools/site_compare/utils/__init__.py
index 69f2237..e69de29 100644..100755
--- a/tools/site_compare/utils/__init__.py
+++ b/tools/site_compare/utils/__init__.py
@@ -1,7 +0,0 @@
-#!/usr/bin/python2.4
-#
-# Copyright 2007 Google Inc. All Rights Reserved.
-
-"""Utilities for site_compare."""
-
-__author__ = 'jhaas@google.com (Jonathan Haas)'
diff --git a/tools/site_compare/utils/browser_iterate.py b/tools/site_compare/utils/browser_iterate.py
index 6ea4e5f..596b475 100644
--- a/tools/site_compare/utils/browser_iterate.py
+++ b/tools/site_compare/utils/browser_iterate.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 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.
 
@@ -198,4 +197,3 @@ def Iterate(command, iteration_func):
 
   # We're done
   DetachFromBrowser()
-