Fixed Gaia reloading.

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 "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
@@ skipping 39 matching lines @@
     FRAME_STATE_LOADED,
     FRAME_STATE_ERROR
   };
 
   explicit GaiaScreenHandler(
       const scoped_refptr<NetworkStateInformer>& network_state_informer);
   virtual ~GaiaScreenHandler();
 
   void LoadGaia(const GaiaContext& context);
   void UpdateGaia(const GaiaContext& context);
-  void ReloadGaia();
+
+  // 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);
 
   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;
@@ skipping 115 matching lines @@
   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_