[Easy Unlock] Port the BluetoothThrottler class to native code.

components/proximity_auth/bluetooth_connection_finder.cc

Index: components/proximity_auth/bluetooth_connection_finder.cc
diff --git a/components/proximity_auth/bluetooth_connection_finder.cc b/components/proximity_auth/bluetooth_connection_finder.cc
index 3fe6567c174a0e76dc338ba8c5da75c20d4e7808..1f26d2ffc77b92868b5a19416d1e5a13b9beee8b 100644
--- a/components/proximity_auth/bluetooth_connection_finder.cc
+++ b/components/proximity_auth/bluetooth_connection_finder.cc
@@ -119,10 +119,10 @@ void BluetoothConnectionFinder::AdapterPoweredChanged(BluetoothAdapter* adapter,
 }
 
 void BluetoothConnectionFinder::OnConnectionStatusChanged(
-    const Connection& connection,
+    Connection* connection,
     Connection::Status old_status,
     Connection::Status new_status) {
-  DCHECK_EQ(&connection, connection_.get());
+  DCHECK_EQ(connection, connection_.get());
 
   if (connection_->IsConnected()) {
     base::TimeDelta elapsed = base::TimeTicks::Now() - start_time_;