[ChromeOS] Add strings and UI placeholder for hardware-backed key.

chrome/browser/ui/webui/options/certificate_manager_handler.cc

Index: chrome/browser/ui/webui/options/certificate_manager_handler.cc
diff --git a/chrome/browser/ui/webui/options/certificate_manager_handler.cc b/chrome/browser/ui/webui/options/certificate_manager_handler.cc
index a7469b8105446a9a53f64d044994f28d439576ca..5636a8d9b63de16c7b37e4f20d1cd64d8cb1b377 100644
--- a/chrome/browser/ui/webui/options/certificate_manager_handler.cc
+++ b/chrome/browser/ui/webui/options/certificate_manager_handler.cc
@@ -341,6 +341,13 @@ void CertificateManagerHandler::GetLocalizedValues(
       l10n_util::GetStringUTF16(IDS_CERT_MANAGER_EDIT_CA_TRUST_OBJSIGN_LABEL));
   localized_strings->SetString("certificateImportErrorFormat",
       l10n_util::GetStringUTF16(IDS_CERT_MANAGER_IMPORT_ERROR_FORMAT));
+
+#if defined(OS_CHROMEOS)
+  localized_strings->SetString("importAndBindCertificate",
+      l10n_util::GetStringUTF16(IDS_CERT_MANAGER_IMPORT_AND_BIND_BUTTON));
+  localized_strings->SetString("hardwareBackedKeyFormat",
+      l10n_util::GetStringUTF16(IDS_CERT_MANAGER_HARDWARE_BACKED_KEY_FORMAT));
+#endif  // defined(OS_CHROMEOS)
 }
 
 void CertificateManagerHandler::RegisterMessages() {