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/mock_cellular.h b/mock_cellular.h
index 8b5be05..9f5c381 100644
--- a/mock_cellular.h
+++ b/mock_cellular.h
@@ -27,6 +27,7 @@
                const std::string &owner,
                const std::string &service,
                const std::string &path,
+               CellularOperatorInfo *cellular_operator_info,
                mobile_provider_db *provider_db,
                ProxyFactory *proxy_factory);
   virtual ~MockCellular();