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_capability_gsm_unittest.cc b/cellular_capability_gsm_unittest.cc
index 5829ed9..a4e2914 100644
--- a/cellular_capability_gsm_unittest.cc
+++ b/cellular_capability_gsm_unittest.cc
@@ -76,6 +76,7 @@
                                "",
                                "",
                                NULL,
+                               NULL,
                                &proxy_factory_)) {}
 
   virtual ~CellularCapabilityGSMTest() {