Verify the signature on user cloud policy downloads.

net/tools/testserver/testserver.py

Index: net/tools/testserver/testserver.py
diff --git a/net/tools/testserver/testserver.py b/net/tools/testserver/testserver.py
index d442671085fa2acebd94c70b435b871b52cd642a..b323e6779d01d9526dfe8c6966ae4f0eacac5a43 100755
--- a/net/tools/testserver/testserver.py
+++ b/net/tools/testserver/testserver.py
@@ -1594,7 +1594,7 @@ class TestPageHandler(testserver_base.BasePageHandler):
       import device_management
       policy_path = os.path.join(self.server.data_dir, 'device_management')
       self.server._device_management_handler = (
-          device_management.TestServer(policy_path, self.server.policy_keys))
+          device_management.TestServer(policy_path))
 
     http_response, raw_reply = (
         self.server._device_management_handler.HandleRequest(self.path,
@@ -1883,7 +1883,6 @@ class ServerRunner(testserver_base.TestServerRunner):
       server.file_root_url = self.options.file_root_url
       server_data['port'] = server.server_port
       server._device_management_handler = None
-      server.policy_keys = self.options.policy_keys
     elif self.options.server_type == SERVER_WEBSOCKET:
       # Launch pywebsocket via WebSocketServer.
       logger = logging.getLogger()
@@ -2036,17 +2035,6 @@ class ServerRunner(testserver_base.TestServerRunner):
                                   'multiple algorithms should be enabled.');
     self.option_parser.add_option('--file-root-url', default='/files/',
                                   help='Specify a root URL for files served.')
-    self.option_parser.add_option('--policy-key', action='append',
-                                  dest='policy_keys',
-                                  help='Specify a path to a PEM-encoded '
-                                  'private key to use for policy signing. May '
-                                  'be specified multiple times in order to '
-                                  'load multipe keys into the server. If the '
-                                  'server has multiple keys, it will rotate '
-                                  'through them in at each request a '
-                                  'round-robin fashion. The server will '
-                                  'generate a random key if none is specified '
-                                  'on the command line.')
 
 
 if __name__ == '__main__':