Update update_deps.py to use https as it is now required.

tools/dartium/update_deps.py

 #!/usr/bin/python
 
 # Update Dartium DEPS automatically.
 
 from datetime import datetime, timedelta
 import optparse
 import os
 import re
 from subprocess import Popen, PIPE
 import sys
@@ skipping 61 matching lines @@
 #
 # The repo_tag must match the DEPS revision entry.  I.e, there must be
 # an entry of the form:
 #   'dartium_%s_revision' % repo_tag
 # to roll forward.
 #
 # The view_url should be parameterized by revision number.  This is
 # used to generated the commit message.
 REPOSITORY_INFO = {
     'webkit': (
-        'http://src.chromium.org/blink/branches/%s',
-        'http://src.chromium.org/viewvc/blink?view=rev&revision=%s'),
+        'https://src.chromium.org/blink/branches/%s',
+        'https://src.chromium.org/viewvc/blink?view=rev&revision=%s'),
     'blink': (
-        'http://src.chromium.org/blink/branches/%s',
-        'http://src.chromium.org/viewvc/blink?view=rev&revision=%s'),
+        'https://src.chromium.org/blink/branches/%s',
+        'https://src.chromium.org/viewvc/blink?view=rev&revision=%s'),
     'chromium': (
-        'http://src.chromium.org/chrome/branches/%s',
-        'http://src.chromium.org/viewvc/chrome?view=rev&revision=%s'),
+        'https://src.chromium.org/chrome/branches/%s',
+        'https://src.chromium.org/viewvc/chrome?view=rev&revision=%s'),
 }
 
 REPOSITORIES = REPOSITORY_INFO.keys()
 
 ########################################################################
 # Actions
 ########################################################################
 
 def write_file(filename, content):
   f = open(filename, "w")
@@ skipping 161 matching lines @@
   if not options.force:
     print "Ready to push; press Enter to continue or Control-C to abort..."
     sys.stdin.readline()
   print run_cmd(['git', 'commit', '-F', 'commit_log.txt'])
   print run_cmd(['git', 'push', repo_branch_parts[0], repo_branch_parts[1]])
   print "Done."
 
 
 if '__main__' == __name__:
   main()