Show the serial number of the device in the version string if available.

chrome/browser/chromeos/login/version_info_updater.cc

 // Copyright (c) 2012 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/chromeos/login/version_info_updater.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 15 matching lines @@
 
 namespace {
 
 const char* kReportingFlags[] = {
   chromeos::kReportDeviceVersionInfo,
   chromeos::kReportDeviceActivityTimes,
   chromeos::kReportDeviceBootMode,
   chromeos::kReportDeviceLocation,
 };
 
-}
+// Strings used to generate the serial number part of the version string.
+const char kSerialNumberPrefix[] = "SN:";
+
+}  // namespace
 
 ///////////////////////////////////////////////////////////////////////////////
 // VersionInfoUpdater public:
 
 VersionInfoUpdater::VersionInfoUpdater(Delegate* delegate)
     : cros_settings_(chromeos::CrosSettings::Get()),
       delegate_(delegate),
       weak_pointer_factory_(this) {
 }
 
@@ skipping 38 matching lines @@
     subscriptions_.push_back(
         cros_settings_->AddSettingsObserver(kReportingFlags[i],
                                             callback).release());
   }
 }
 
 void VersionInfoUpdater::UpdateVersionLabel() {
   if (version_text_.empty())
     return;
 
+  UpdateSerialNumberInfo();
+
   chrome::VersionInfo version_info;
   std::string label_text = l10n_util::GetStringFUTF8(
       IDS_LOGIN_VERSION_LABEL_FORMAT,
       l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
       base::UTF8ToUTF16(version_info.Version()),
-      base::UTF8ToUTF16(version_text_));
+      base::UTF8ToUTF16(version_text_),
+      base::UTF8ToUTF16(serial_number_text_));
 
   // Workaround over incorrect width calculation in old fonts.
   // TODO(glotov): remove the following line when new fonts are used.
   label_text += ' ';
 
   if (delegate_)
     delegate_->OnOSVersionLabelTextUpdated(label_text);
 }
 
 void VersionInfoUpdater::UpdateEnterpriseInfo() {
   policy::BrowserPolicyConnectorChromeOS* connector =
       g_browser_process->platform_part()->browser_policy_connector_chromeos();
   SetEnterpriseInfo(connector->GetEnterpriseDomain());
 }
 
 void VersionInfoUpdater::SetEnterpriseInfo(const std::string& domain_name) {
   // Update the notification about device status reporting.
   if (delegate_ && !domain_name.empty()) {
     std::string enterprise_info;
     enterprise_info = l10n_util::GetStringFUTF8(
         IDS_DEVICE_OWNED_BY_NOTICE,
         base::UTF8ToUTF16(domain_name));
     delegate_->OnEnterpriseInfoUpdated(enterprise_info);
   }
 }
 
+void VersionInfoUpdater::UpdateSerialNumberInfo() {
+  std::string sn = policy::DeviceCloudPolicyManagerChromeOS::GetMachineID();
+  if (!sn.empty()) {
+    serial_number_text_ = kSerialNumberPrefix;
+    serial_number_text_.append(sn);
+  }
+}
+
 void VersionInfoUpdater::OnVersion(const std::string& version) {
   version_text_ = version;
   UpdateVersionLabel();
 }
 
 void VersionInfoUpdater::OnStoreLoaded(policy::CloudPolicyStore* store) {
   UpdateEnterpriseInfo();
 }
 
 void VersionInfoUpdater::OnStoreError(policy::CloudPolicyStore* store) {
   UpdateEnterpriseInfo();
 }
 
 }  // namespace chromeos