[DeleteIt] Remove unused GetAcceptLanguageList, GetCurrentKeyboardLayout

There's no reference to these methods.
GetAcceptLanguageList()
Added in https://crrev.com/397723002
Usage removed in https://crrev.com/c/602884 (file deleted)

GetCurrentKeyboardLayout()
Added in https://crrev.com/417103003
Usage removed in https://crrev.com/c/907973

Bug: none
Change-Id: I068165ffb17f3e024027e03263476d0acd4a595c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2473859Reviewed-by: Toni Baržić <tbarzic@chromium.org>
Commit-Queue: My Nguyen <myy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818599}

chrome/browser/ui/webui/chromeos/login/l10n_util.cc

@@ -496,18 +496,6 @@ std::string FindMostRelevantLocale(
   return fallback_locale;
 }
 
-std::unique_ptr<base::ListValue> GetAcceptLanguageList() {
-  // Collect the language codes from the supported accept-languages.
-  const std::string app_locale = g_browser_process->GetApplicationLocale();
-  std::vector<std::string> accept_language_codes;
-  l10n_util::GetAcceptLanguagesForLocale(app_locale, &accept_language_codes);
-  return GetLanguageList(
-      *input_method::InputMethodManager::Get()->GetSupportedInputMethods(),
-      accept_language_codes,
-      StartupCustomizationDocument::GetInstance()->configured_locales(),
-      false);
-}
-
 std::unique_ptr<base::ListValue> GetAndActivateLoginKeyboardLayouts(
     const std::string& locale,
     const std::string& selected,
@@ -593,13 +581,4 @@ void GetKeyboardLayoutsForLocale(
       base::BindOnce(&GetKeyboardLayoutsForResolvedLocale, locale, callback));
 }
 
-std::unique_ptr<base::DictionaryValue> GetCurrentKeyboardLayout() {
-  const input_method::InputMethodDescriptor current_input_method =
-      input_method::InputMethodManager::Get()
-          ->GetActiveIMEState()
-          ->GetCurrentInputMethod();
-  return CreateInputMethodsEntry(current_input_method,
-                                 current_input_method.id());
-}
-
 }  // namespace chromeos

chrome/browser/ui/webui/chromeos/login/l10n_util.h

@@ -14,7 +14,6 @@
 #include "chrome/browser/chromeos/base/locale_util.h"
 
 namespace base {
-class DictionaryValue;
 class ListValue;
 }
 
@@ -66,13 +65,6 @@ std::string FindMostRelevantLocale(
     const base::ListValue& available_locales,
     const std::string& fallback_locale);
 
-// Return a list of supported accept languages. The listed languages can be used
-// in the Accept-Language header. The return value will look like:
-// [{'code': 'fi', 'displayName': 'Finnish', 'nativeDisplayName': 'suomi'}, ...]
-// The most relevant languages, read from initial_locale in VPD, will be first
-// in the list.
-std::unique_ptr<base::ListValue> GetAcceptLanguageList();
-
 // Return a list of keyboard layouts that can be used for |locale| on the login
 // screen. Each list entry is a dictionary that contains data such as an ID and
 // a display name. The list will consist of the device's hardware layouts,
@@ -100,10 +92,6 @@ void GetKeyboardLayoutsForLocale(
     const GetKeyboardLayoutsForLocaleCallback& callback,
     const std::string& locale);
 
-// Returns the current keyboard layout, expressed as a dictionary that contains
-// data such as an ID and a display name.
-std::unique_ptr<base::DictionaryValue> GetCurrentKeyboardLayout();
-
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_L10N_UTIL_H_