Revert "[Smart Lock, UI] First run expience for Auto sign-in prompt."

chrome/browser/ui/passwords/manage_passwords_view_utils.cc

 // Copyright 2015 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/ui/passwords/manage_passwords_view_utils.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 110 matching lines @@
 void GetAccountChooserDialogTitleTextAndLinkRange(
     bool is_smartlock_branding_enabled,
     base::string16* title,
     gfx::Range* title_link_range) {
   GetBrandedTextAndLinkRange(is_smartlock_branding_enabled,
                              IDS_PASSWORD_MANAGER_ACCOUNT_CHOOSER_TITLE,
                              IDS_PASSWORD_MANAGER_ACCOUNT_CHOOSER_TITLE,
                              title, title_link_range);
 }
 
-void GetAutoSigninPromptFirstRunExperienceExplanation(
-    bool is_smartlock_branding_enabled,
-    base::string16* explanation,
-    gfx::Range* explanation_link_range) {
-  GetBrandedTextAndLinkRange(
-      is_smartlock_branding_enabled,
-      IDS_MANAGE_PASSWORDS_AUTO_SIGNIN_SMART_LOCK_WELCOME,
-      IDS_MANAGE_PASSWORDS_AUTO_SIGNIN_DEFAULT_WELCOME,
-      explanation, explanation_link_range);
-}
-
 void GetBrandedTextAndLinkRange(bool is_smartlock_branding_enabled,
                                 int smartlock_string_id,
                                 int default_string_id,
                                 base::string16* out_string,
                                 gfx::Range* link_range) {
   if (is_smartlock_branding_enabled) {
     size_t offset;
     base::string16 brand_name =
         l10n_util::GetStringUTF16(IDS_PASSWORD_MANAGER_SMART_LOCK);
     *out_string = l10n_util::GetStringFUTF16(smartlock_string_id, brand_name,
                                              &offset);
     *link_range = gfx::Range(offset, offset + brand_name.length());
   } else {
     *out_string = l10n_util::GetStringFUTF16(
         default_string_id,
         l10n_util::GetStringUTF16(IDS_PASSWORD_MANAGER_TITLE_BRAND));
     *link_range = gfx::Range();
   }
 }
 
 base::string16 GetDisplayUsername(const autofill::PasswordForm& form) {
   return form.username_value.empty()
              ? l10n_util::GetStringUTF16(IDS_PASSWORD_MANAGER_EMPTY_LOGIN)
              : form.username_value;
 }