Remove StartupUtils::IsWebviewSigninEnabled.

chrome/browser/chromeos/login/startup_utils.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/startup_utils.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
@@ skipping 173 matching lines @@
 // static
 std::string StartupUtils::GetInitialLocale() {
   std::string locale =
       g_browser_process->local_state()->GetString(prefs::kInitialLocale);
   if (!l10n_util::IsValidLocaleSyntax(locale))
     locale = "en-US";
   return locale;
 }
 
 // static
-bool StartupUtils::IsWebviewSigninEnabled() {
-  return true;
-}
-
-// static
 void StartupUtils::SetInitialLocale(const std::string& locale) {
   if (l10n_util::IsValidLocaleSyntax(locale))
     SaveStringPreferenceForced(prefs::kInitialLocale, locale);
   else
     NOTREACHED();
 }
 
 }  // namespace chromeos