shill: Obtain GSM and CDMA identifiers when registering the modem.

BUG=chromium-os:19803
TEST=unit tests, tested on device

Change-Id: Ie6a0c4645504525ae299d0882a51649272afbdc9
Reviewed-on: http://gerrit.chromium.org/gerrit/6917
Tested-by: Darin Petkov <petkov@chromium.org>
Reviewed-by: Eric Shienbrood <ers@chromium.org>
diff --git a/mock_modem_cdma_proxy.h b/mock_modem_cdma_proxy.h
index 58e5a30..eb693f1 100644
--- a/mock_modem_cdma_proxy.h
+++ b/mock_modem_cdma_proxy.h
@@ -21,6 +21,7 @@
   MOCK_METHOD2(GetRegistrationState, void(uint32 *cdma_1x_state,
                                           uint32 *evdo_state));
   MOCK_METHOD0(GetSignalQuality, uint32());
+  MOCK_METHOD0(MEID, const std::string());
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockModemCDMAProxy);