Fix python scripts in src/chrome/

chrome/tools/build/win/dependencies.py

Index: chrome/tools/build/win/dependencies.py
diff --git a/chrome/tools/build/win/dependencies.py b/chrome/tools/build/win/dependencies.py
index 353c89cd7121652895c63a8b99b8c609ae149f7e..ed8bb7e764a8499e9684fbcebb1aec6b619c4f3b 100755
--- a/chrome/tools/build/win/dependencies.py
+++ b/chrome/tools/build/win/dependencies.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # Copyright (c) 2006-2008 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.
@@ -40,6 +40,7 @@ def RunSystemCommand(cmd):
   except:
     raise Error("Failed to execute: " + cmd)
 
+
 def RunDumpbin(binary_file):
   """Runs dumpbin and parses its output.
 
@@ -196,8 +197,19 @@ def VerifyDependents(pe_name, dependents, delay_loaded, list_file, verbose):
   return max(deps_result, delayed_result)
 
 
-def main(options, args):
+def main():
   # PE means portable executable. It's any .DLL, .EXE, .SYS, .AX, etc.
+  usage = "usage: %prog [options] input output"
+  option_parser = optparse.OptionParser(usage=usage)
+  option_parser.add_option("-d",
+                           "--debug",
+                           dest="debug",
+                           action="store_true",
+                           default=False,
+                           help="Display debugging information")
+  options, args = option_parser.parse_args()
+  if len(args) != 2:
+    option_parser.error("Incorrect number of arguments")
   pe_name = args[0]
   deps_file = args[1]
   dependents, delay_loaded = RunDumpbin(pe_name)
@@ -211,15 +223,4 @@ def main(options, args):
 
 
 if '__main__' == __name__:
-  usage = "usage: %prog [options] input output"
-  option_parser = optparse.OptionParser(usage = usage)
-  option_parser.add_option("-d",
-                           "--debug",
-                           dest="debug",
-                           action="store_true",
-                           default=False,
-                           help="Display debugging information")
-  options, args = option_parser.parse_args()
-  if len(args) != 2:
-    option_parser.error("Incorrect number of arguments")
-  sys.exit(main(options, args))
+  sys.exit(main())