Added strings of i18n and made the pin-keyboard work for rtl lang.

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

Index: chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc
diff --git a/chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc b/chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc
index d0ecd8610cc03faaeb444f46992a76ecfc50e7b9..d0d3162153d6f6d5cd3b39193d8d1e94ff8be79c 100644
--- a/chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc
+++ b/chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc
@@ -7,6 +7,8 @@
 #include <string>
 
 #include "base/command_line.h"
+#include "base/i18n/number_formatting.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
@@ -757,6 +759,9 @@ void AddPeopleStrings(content::WebUIDataSource* html_source) {
      IDS_SETTINGS_PEOPLE_QUICK_UNLOCK_UNLOCK_METHOD_PASSWORD},
     {"quickUnlockUnlockMethodPinAndPassword",
      IDS_SETTINGS_PEOPLE_QUICK_UNLOCK_UNLOCK_METHOD_PIN_AND_PASSWORD},
+    {"pinKeyboardPlaceholder",
+     IDS_SETTINGS_PEOPLE_QUICK_UNLOCK_ENTER_PIN_OR_PASSWORD_PLACEHOLDER},
+    {"pinKeyboardClear", IDS_SETTINGS_PEOPLE_QUICK_UNLOCK_PIN_KEYBOARD_CLEAR},
     {"quickUnlockUnlockMethodNone",
      IDS_SETTINGS_PEOPLE_QUICK_UNLOCK_UNLOCK_METHOD_NONE},
     {"quickUnlockConfigurePinButton",
@@ -847,6 +852,12 @@ void AddPeopleStrings(content::WebUIDataSource* html_source) {
   AddLocalizedStringsBulk(html_source, localized_strings,
                           arraysize(localized_strings));
 
+  // Format numbers to be used on the pin keyboard.
+  for (int j = 0; j <= 9; j++) {
+    html_source->AddString("pinKeyboard" + base::IntToString(j),
+                           base::FormatNumber(int64_t{j}));
+  }
+
   html_source->AddString("autofillHelpURL", autofill::kHelpURL);
   html_source->AddString("supervisedUsersUrl",
                          chrome::kLegacySupervisedUserManagementURL);