Show proper message in about Chrome OS page

chrome/browser/ui/webui/settings/about_handler.cc

 // Copyright 2016 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/settings/about_handler.h"
 
 #include <stddef.h>
 
 #include <string>
 
@@ skipping 51 matching lines @@
 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos_factory.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chromeos/image_source.h"
 #include "chrome/browser/ui/webui/help/help_utils_chromeos.h"
 #include "chrome/browser/ui/webui/help/version_updater_chromeos.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/power_manager_client.h"
+#include "chromeos/network/network_state.h"
+#include "chromeos/network/network_state_handler.h"
 #include "chromeos/system/statistics_provider.h"
 #include "components/user_manager/user_manager.h"
 #endif
 
 using base::ListValue;
 using content::BrowserThread;
 
 namespace {
 
 #if defined(OS_CHROMEOS)
 
 // Directory containing the regulatory labels for supported regions.
 const char kRegulatoryLabelsDirectory[] = "regulatory_labels";
 
 // File names of the image file and the file containing alt text for the label.
 const char kRegulatoryLabelImageFilename[] = "label.png";
 const char kRegulatoryLabelTextFilename[] = "label.txt";
 
 // Default region code to use if there's no label for the VPD region code.
 const char kDefaultRegionCode[] = "us";
 
 struct RegulatoryLabel {
   const std::string label_text;
   const std::string image_url;
 };
 
 // Returns message that informs user that for update it's better to
 // connect to a network of one of the allowed types.
 base::string16 GetAllowedConnectionTypesMessage() {
-  if (help_utils_chromeos::IsUpdateOverCellularAllowed()) {
-    return l10n_util::GetStringUTF16(IDS_UPGRADE_NETWORK_LIST_CELLULAR_ALLOWED);
+  const chromeos::NetworkState* network = chromeos::NetworkHandler::Get()
+                                              ->network_state_handler()
+                                              ->DefaultNetwork();
+  bool cellular = network && network->IsConnectedState() &&

[xiyuan, 2017/05/22 18:14:08]

nit: const bool

[weidongg, 2017/05/22 19:02:54]

Done.

+                  network->type() == shill::kTypeCellular;
+
+  if (help_utils_chromeos::IsUpdateOverCellularAllowed(
+          true /* interactive */)) {
+    return cellular ? l10n_util::GetStringUTF16(
+                          IDS_UPGRADE_NETWORK_LIST_CELLULAR_NOT_RECOMMENDED)
+                    : l10n_util::GetStringUTF16(
+                          IDS_UPGRADE_NETWORK_LIST_CELLULAR_ALLOWED);
   } else {
     return l10n_util::GetStringUTF16(
         IDS_UPGRADE_NETWORK_LIST_CELLULAR_DISALLOWED);
   }
 }
 
 // Returns true if the device is enterprise managed, false otherwise.
 bool IsEnterpriseManaged() {
   policy::BrowserPolicyConnectorChromeOS* connector =
       g_browser_process->platform_part()->browser_policy_connector_chromeos();
@@ skipping 562 matching lines @@
       label_dir_path.AppendASCII(kRegulatoryLabelImageFilename).MaybeAsASCII();
   std::string url =
       std::string("chrome://") + chrome::kChromeOSAssetHost + "/" + image_path;
   regulatory_info->SetString("url", url);
 
   ResolveJavascriptCallback(base::Value(callback_id), *regulatory_info);
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace settings