1) Add basic configuration (network connection, language, keyboard layout, timezone) setup page. 2)…

components/pairing/host_pairing_controller.h

Index: components/pairing/host_pairing_controller.h
diff --git a/components/pairing/host_pairing_controller.h b/components/pairing/host_pairing_controller.h
index b360d071fea3fef03e0b7ae4b48979ab3d4ba5e8..05278f26dcdbe70217cf93702141543f5b491987 100644
--- a/components/pairing/host_pairing_controller.h
+++ b/components/pairing/host_pairing_controller.h
@@ -18,6 +18,8 @@ class HostPairingController {
     STAGE_INITIALIZATION_ERROR,
     STAGE_WAITING_FOR_CONTROLLER,
     STAGE_WAITING_FOR_CODE_CONFIRMATION,
+    STAGE_SETUP_BASIC_CONFIGURATION,
+    STAGE_SETUP_NETWORK_ERROR,
     STAGE_WAITING_FOR_CONTROLLER_AFTER_UPDATE,
     STAGE_WAITING_FOR_CREDENTIALS,
     STAGE_ENROLLING,
@@ -26,6 +28,14 @@ class HostPairingController {
     STAGE_FINISHED
   };
 
+  enum Connectivity {
+    CONNECTIVITY_UNTESTED,
+    CONNECTIVITY_NONE,
+    CONNECTIVITY_LIMITED,
+    CONNECTIVITY_CONNECTING,
+    CONNECTIVITY_CONNECTED,
+  };
+
   enum UpdateStatus {
     UPDATE_STATUS_UNKNOWN,
     UPDATE_STATUS_UPDATING,
@@ -85,6 +95,10 @@ class HostPairingController {
   // |STAGE_ENROLLMENT| and later.
   virtual std::string GetEnrollmentDomain() = 0;
 
+  // Notify that the network connectivity status has changed.
+  virtual void OnNetworkConnectivityChanged(
+      Connectivity connectivity_status) = 0;
+
   // Notify that the update status has changed.
   virtual void OnUpdateStatusChanged(UpdateStatus update_status) = 0;