Remove unused stub_user_accounts_delegate.*

chrome/browser/ui/ash/stub_user_accounts_delegate.cc

-// Copyright 2014 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/ash/stub_user_accounts_delegate.h"
-
-#include <cctype>
-
-#include "base/logging.h"
-
-StubUserAccountsDelegate::StubUserAccountsDelegate(const std::string& owner_id)
-    : primary_account_(owner_id) {}
-
-StubUserAccountsDelegate::~StubUserAccountsDelegate() {}
-
-std::string StubUserAccountsDelegate::GetPrimaryAccountId() {
-  return primary_account_;
-}
-
-std::vector<std::string> StubUserAccountsDelegate::GetSecondaryAccountIds() {
-  return secondary_accounts_;
-}
-
-std::string StubUserAccountsDelegate::GetAccountDisplayName(
-    const std::string& account_id) {
-  std::string res(1, std::toupper(account_id[0]));
-  res += account_id.substr(1);
-  return res;
-}
-
-void StubUserAccountsDelegate::DeleteAccount(const std::string& account_id) {
-  secondary_accounts_.erase(
-      std::remove(
-          secondary_accounts_.begin(), secondary_accounts_.end(), account_id),
-      secondary_accounts_.end());
-  NotifyAccountListChanged();
-}
-
-void StubUserAccountsDelegate::AddAccount(const std::string& account_id) {
-  if (primary_account_ == account_id)
-    return;
-  if (std::find(secondary_accounts_.begin(),
-                secondary_accounts_.end(),
-                account_id) != secondary_accounts_.end())
-    return;
-  secondary_accounts_.push_back(account_id);
-  NotifyAccountListChanged();
-}
-
-void StubUserAccountsDelegate::LaunchAddAccountDialog() {
-  NOTIMPLEMENTED();
-}