Fixed error screen behaviour when gaia frame loading is timed out.

chrome/browser/ui/webui/chromeos/login/error_screen_handler.cc

 // Copyright (c) 2012 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/webui/chromeos/login/error_screen_handler.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/time.h"
@@ skipping 309 matching lines @@
 }
 
 void ErrorScreenHandler::HandleErrorScreenUpdate(const base::ListValue* args) {
   UpdateStateInternal(network_state_informer_->state(),
                       network_state_informer_->network_name(),
                       kErrorReasonUpdate,
                       network_state_informer_->last_network_type(),
                       false);
 }
 
+void ErrorScreenHandler::HandleShowLoadingTimeoutError(
+    const base::ListValue* args) {
+  UpdateStateInternal(network_state_informer_->state(),
+                      network_state_informer_->network_name(),
+                      kErrorReasonLoadingTimeout,
+                      network_state_informer_->last_network_type(),
+                      false);
+}
+
 void ErrorScreenHandler::HandleUpdateGaiaIsLocal(const base::ListValue* args) {
   DCHECK(args && args->GetSize() == 1);
 
   bool gaia_is_local = false;
   if (!args->GetBoolean(0, &gaia_is_local))
     return;
   set_gaia_is_local(gaia_is_local);
 }
 
 void ErrorScreenHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("fixCaptivePortal",
       base::Bind(&ErrorScreenHandler::HandleFixCaptivePortal,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("showCaptivePortal",
       base::Bind(&ErrorScreenHandler::HandleShowCaptivePortal,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("hideCaptivePortal",
       base::Bind(&ErrorScreenHandler::HandleHideCaptivePortal,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("errorScreenUpdate",
       base::Bind(&ErrorScreenHandler::HandleErrorScreenUpdate,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback("showLoadingTimeoutError",
+      base::Bind(&ErrorScreenHandler::HandleShowLoadingTimeoutError,
+                 base::Unretained(this)));
   web_ui()->RegisterMessageCallback("updateGaiaIsLocal",
       base::Bind(&ErrorScreenHandler::HandleUpdateGaiaIsLocal,
                  base::Unretained(this)));
 }
 
 void ErrorScreenHandler::GetLocalizedStrings(
     base::DictionaryValue* localized_strings) {
   localized_strings->SetString("offlineMessageTitle",
       l10n_util::GetStringUTF16(IDS_LOGIN_OFFLINE_TITLE));
   localized_strings->SetString("offlineMessageBody",
@@ skipping 13 matching lines @@
 void ErrorScreenHandler::Initialize() {
 }
 
 gfx::NativeWindow ErrorScreenHandler::GetNativeWindow() {
   if (native_window_delegate_)
     return native_window_delegate_->GetNativeWindow();
   return NULL;
 }
 
 }  // namespace chromeos