[CrOS Tether]: Create BleConnectionManager, which manages secure connections between the current de…

chromeos/components/tether/ble_advertiser.h

Index: chromeos/components/tether/ble_advertiser.h
diff --git a/chromeos/components/tether/ble_advertiser.h b/chromeos/components/tether/ble_advertiser.h
index a846e53c44ee8197831749e4264e4e5975af714e..247a9a0953ff210193649710695f57f94297dce6 100644
--- a/chromeos/components/tether/ble_advertiser.h
+++ b/chromeos/components/tether/ble_advertiser.h
@@ -35,8 +35,10 @@ class BleAdvertiser {
       const cryptauth::RemoteBeaconSeedFetcher* remote_beacon_seed_fetcher);
   virtual ~BleAdvertiser();
 
-  bool StartAdvertisingToDevice(const cryptauth::RemoteDevice& remote_device);
-  bool StopAdvertisingToDevice(const cryptauth::RemoteDevice& remote_device);
+  virtual bool StartAdvertisingToDevice(
+      const cryptauth::RemoteDevice& remote_device);
+  virtual bool StopAdvertisingToDevice(
+      const cryptauth::RemoteDevice& remote_device);
 
  private:
   friend class BleAdvertiserTest;