Do not show irrelevant registration promos to supervised and guest users

chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 544 matching lines @@
 }
 
 void LocalDiscoveryUIHandler::PrivetClientToV3(
     const PrivetClientCallback& callback,
     scoped_ptr<PrivetHTTPClient> client) {
   callback.Run(client.Pass());
 }
 
 void LocalDiscoveryUIHandler::CheckUserLoggedIn() {
   base::FundamentalValue logged_in_value(!GetSyncAccount().empty());
-  web_ui()->CallJavascriptFunction("local_discovery.setUserLoggedIn",
-                                   logged_in_value);
+  base::FundamentalValue is_supervised_value(IsUserSupervisedOrOffTheRecord());
+  web_ui()->CallJavascriptFunction(
+      "local_discovery.setUserLoggedIn", logged_in_value, is_supervised_value);
 }
 
 void LocalDiscoveryUIHandler::CheckListingDone() {
   int started = 0;
   if (cloud_print_printer_list_)
     ++started;
   if (cloud_device_list_)
     ++started;
 
   if (started > failed_list_count_ + succeded_list_count_)
@@ skipping 50 matching lines @@
                  callback);
   privet_resolution_ =
       privet_http_factory_->CreatePrivetHTTP(device,
                                              found->second.address,
                                              new_callback).Pass();
   if (!privet_resolution_)
     return callback.Run(scoped_ptr<PrivetHTTPClient>());
   privet_resolution_->Start();
 }
 
+bool LocalDiscoveryUIHandler::IsUserSupervisedOrOffTheRecord() {
+  Profile* profile = Profile::FromWebUI(web_ui());
+
+  return profile->IsSupervised() || profile->IsOffTheRecord();
+}
+
 #if defined(CLOUD_PRINT_CONNECTOR_UI_AVAILABLE)
 void LocalDiscoveryUIHandler::StartCloudPrintConnector() {
   Profile* profile = Profile::FromWebUI(web_ui());
 
   base::Closure cloud_print_callback = base::Bind(
       &LocalDiscoveryUIHandler::OnCloudPrintPrefsChanged,
           base::Unretained(this));
 
   if (cloud_print_connector_email_.GetPrefName().empty()) {
     cloud_print_connector_email_.Init(
@@ skipping 134 matching lines @@
     scoped_ptr<base::Value> null_value(base::Value::CreateNullValue());
 
     web_ui()->CallJavascriptFunction(
         "local_discovery.onUnregisteredDeviceUpdate", service_key, *null_value);
   }
 }
 
 #endif  // ENABLE_WIFI_BOOTSTRAPPING
 
 }  // namespace local_discovery