Added keyboard shortcut on GAIA "Add User" screen to dogfood GAIA /EmbeddedSignin

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

 // Copyright 2013 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_WEBUI_CHROMEOS_LOGIN_GAIA_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_GAIA_SCREEN_HANDLER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 57 matching lines @@
   virtual ~GaiaScreenHandler();
 
   void LoadGaia(const GaiaContext& context);
   void UpdateGaia(const GaiaContext& context);
 
   // Sends request to reload Gaia. If |force_reload| is true, request
   // will be sent in any case, otherwise it will be sent only when Gaia is
   // not loading right now.
   void ReloadGaia(bool force_reload);
 
+  // Reload gaia with embedded signin frame.
+  void SwitchToEmbeddedSignin();
+
   FrameState frame_state() const { return frame_state_; }
   net::Error frame_error() const { return frame_error_; }
 
  private:
   // TODO (ygorshenin@): remove this dependency.
   friend class SigninScreenHandler;
 
   // BaseScreenHandler implementation:
   virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) override;
   virtual void Initialize() override;
@@ skipping 119 matching lines @@
   bool using_saml_api_;
 
   // Whether consumer management enrollment is in progress.
   bool is_enrolling_consumer_management_;
 
   // Test credentials.
   std::string test_user_;
   std::string test_pass_;
   bool test_expects_complete_login_;
 
+  // True if user pressed shortcut to enable embedded signin.
+  bool embedded_signin_enabled_by_shortcut_;
+
   // Non-owning ptr to SigninScreenHandler instance. Should not be used
   // in dtor.
   // TODO (ygorshenin@): GaiaScreenHandler shouldn't communicate with
   // signin_screen_handler directly.
   SigninScreenHandler* signin_screen_handler_;
 
   base::WeakPtrFactory<GaiaScreenHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GaiaScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_GAIA_SCREEN_HANDLER_H_