HostScanner: Add scanned hosts to NetworkStateHandler and NotificationPresenter.

chromeos/components/tether/host_scan_scheduler_unittest.cc

Index: chromeos/components/tether/host_scan_scheduler_unittest.cc
diff --git a/chromeos/components/tether/host_scan_scheduler_unittest.cc b/chromeos/components/tether/host_scan_scheduler_unittest.cc
index 142149eaa6542d030f56d08b71623748c752efd0..c44e45c2bfa597efd74ad8463383ab4874e9d056 100644
--- a/chromeos/components/tether/host_scan_scheduler_unittest.cc
+++ b/chromeos/components/tether/host_scan_scheduler_unittest.cc
@@ -82,7 +82,8 @@ class HostScanSchedulerTest : public testing::Test {
   class FakeHostScanner : public HostScanner {
    public:
     FakeHostScanner()
-        : HostScanner(nullptr, nullptr, nullptr), num_scans_started_(0) {}
+        : HostScanner(nullptr, nullptr, nullptr, nullptr, nullptr),
+          num_scans_started_(0) {}
     ~FakeHostScanner() override {}
 
     void StartScan() override { num_scans_started_++; }