shill: cellular: Instantiate and propagate CellularOperatorInfo object.

BUG=chrome-os-partner:11985
TEST=Build and run unit tests.

Change-Id: I7bf5d20a15eefe18f92951780f059bf5559bba5d
Reviewed-on: https://gerrit.chromium.org/gerrit/37362
Reviewed-by: Thieu Le <thieule@chromium.org>
Commit-Ready: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
diff --git a/cellular_service_unittest.cc b/cellular_service_unittest.cc
index ccadc96..e01556a 100644
--- a/cellular_service_unittest.cc
+++ b/cellular_service_unittest.cc
@@ -41,6 +41,7 @@
                              "",
                              "",
                              NULL,
+                             NULL,
                              ProxyFactory::GetInstance())),
         service_(new CellularService(&control_, NULL, &metrics_, &manager_,
                                      device_)),