Convert all connect code to use NetworkHandler instead of NetworkLibrary

ash/system/tray/test_system_tray_delegate.cc

Index: ash/system/tray/test_system_tray_delegate.cc
diff --git a/ash/system/tray/test_system_tray_delegate.cc b/ash/system/tray/test_system_tray_delegate.cc
index 33d912ae94db8c922345b33657ec83eaaa9555e2..d516a767d96ccf484d5c9c2597256793eac17d77 100644
--- a/ash/system/tray/test_system_tray_delegate.cc
+++ b/ash/system/tray/test_system_tray_delegate.cc
@@ -212,7 +212,9 @@ void TestSystemTrayDelegate::GetDriveOperationStatusList(
 void TestSystemTrayDelegate::ConfigureNetwork(const std::string& network_id) {
 }
 
-void TestSystemTrayDelegate::ConnectToNetwork(const std::string& network_id) {
+void TestSystemTrayDelegate::EnrollOrConfigureNetwork(
+    const std::string& network_id,
+    gfx::NativeWindow parent_window) {
 }
 
 void TestSystemTrayDelegate::ManageBluetoothDevices() {
@@ -229,6 +231,9 @@ bool TestSystemTrayDelegate::IsBluetoothDiscovering() {
 void TestSystemTrayDelegate::ShowMobileSimDialog() {
 }
 
+void TestSystemTrayDelegate::ShowMobileSetup(const std::string& network_id) {
+}
+
 void TestSystemTrayDelegate::ShowOtherWifi() {
 }