Implemented inline login dialog for Chrome OS.

chrome/browser/ui/ash/user_accounts_delegate_chromeos.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_ASH_USER_ACCOUNTS_DELEGATE_CHROMEOS_H_
+#define CHROME_BROWSER_UI_ASH_USER_ACCOUNTS_DELEGATE_CHROMEOS_H_
+
+#include "ash/system/user/user_accounts_delegate.h"
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "google_apis/gaia/oauth2_token_service.h"
+
+class Profile;
+
+namespace chromeos {
+
+class UserAccountsDelegateChromeOS : public ash::tray::UserAccountsDelegate,
+                                     public OAuth2TokenService::Observer {
+ public:
+  explicit UserAccountsDelegateChromeOS(Profile* user_profile);
+  virtual ~UserAccountsDelegateChromeOS();
+
+  // Overridden from ash::tray::UserAccountsDelegate:
+  virtual std::string GetPrimaryAccountId() OVERRIDE;
+  virtual std::vector<std::string> GetSecondaryAccountIds() OVERRIDE;
+  virtual std::string GetAccountDisplayName(
+      const std::string& account_id) OVERRIDE;
+  virtual void DeleteAccount(const std::string& account_id) OVERRIDE;
+  virtual void LaunchAddAccountDialog() OVERRIDE;
+
+  // Overridden from OAuth2TokenServiceObserver:
+  virtual void OnRefreshTokenAvailable(const std::string& account_id) OVERRIDE;
+  virtual void OnRefreshTokenRevoked(const std::string& account_id) OVERRIDE;
+
+ private:
+  Profile* user_profile_;
+
+  DISALLOW_COPY_AND_ASSIGN(UserAccountsDelegateChromeOS);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_UI_ASH_USER_ACCOUNTS_DELEGATE_CHROMEOS_H_