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

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

 // Copyright (c) 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.
 
 #include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 726 matching lines @@
   AddCallback("launchPublicSession",
               &SigninScreenHandler::HandleLaunchPublicSession);
   AddRawCallback("offlineLogin", &SigninScreenHandler::HandleOfflineLogin);
   AddCallback("rebootSystem", &SigninScreenHandler::HandleRebootSystem);
   AddRawCallback("showAddUser", &SigninScreenHandler::HandleShowAddUser);
   AddCallback("shutdownSystem", &SigninScreenHandler::HandleShutdownSystem);
   AddCallback("loadWallpaper", &SigninScreenHandler::HandleLoadWallpaper);
   AddCallback("removeUser", &SigninScreenHandler::HandleRemoveUser);
   AddCallback("toggleEnrollmentScreen",
               &SigninScreenHandler::HandleToggleEnrollmentScreen);
+  AddCallback("switchToEmbeddedSignin",
+              &SigninScreenHandler::HandleSwitchToEmbeddedSignin);
   AddCallback("toggleKioskEnableScreen",
               &SigninScreenHandler::HandleToggleKioskEnableScreen);
   AddCallback("createAccount", &SigninScreenHandler::HandleCreateAccount);
   AddCallback("accountPickerReady",
               &SigninScreenHandler::HandleAccountPickerReady);
   AddCallback("wallpaperReady", &SigninScreenHandler::HandleWallpaperReady);
   AddCallback("signOutUser", &SigninScreenHandler::HandleSignOutUser);
   AddCallback("openProxySettings",
               &SigninScreenHandler::HandleOpenProxySettings);
   AddCallback("loginVisible", &SigninScreenHandler::HandleLoginVisible);
@@ skipping 555 matching lines @@
 void SigninScreenHandler::HandleResyncUserData() {
   if (delegate_)
     delegate_->ResyncUserData();
 }
 
 void SigninScreenHandler::HandleLoginUIStateChanged(const std::string& source,
                                                     bool new_value) {
   VLOG(0) << "Login WebUI >> active: " << new_value << ", "
             << "source: " << source;
 
+  if (source == "gaia-signin" && !new_value)
+    gaia_screen_handler_->CancelEmbeddedSignin();
+
   if (!KioskAppManager::Get()->GetAutoLaunchApp().empty() &&
       KioskAppManager::Get()->IsAutoLaunchRequested()) {
     VLOG(0) << "Showing auto-launch warning";
     // On slow devices, the wallpaper animation is not shown initially, so we
     // must explicitly load the wallpaper. This is also the case for the
     // account-picker and gaia-signin UI states.
     delegate_->LoadSigninWallpaper();
     HandleToggleKioskAutolaunchScreen();
     return;
   }
@@ skipping 95 matching lines @@
   ShowImpl();
 }
 
 void SigninScreenHandler::HandleGetTouchViewState() {
   if (max_mode_delegate_) {
     CallJS("login.AccountPickerScreen.setTouchViewState",
            max_mode_delegate_->IsMaximizeModeEnabled());
   }
 }
 
+void SigninScreenHandler::HandleSwitchToEmbeddedSignin() {
+  gaia_screen_handler_->SwitchToEmbeddedSignin();
+}
+
 bool SigninScreenHandler::AllWhitelistedUsersPresent() {
   CrosSettings* cros_settings = CrosSettings::Get();
   bool allow_new_user = false;
   cros_settings->GetBoolean(kAccountsPrefAllowNewUser, &allow_new_user);
   if (allow_new_user)
     return false;
   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
   const user_manager::UserList& users = user_manager->GetUsers();
   if (!delegate_ || users.size() > kMaxUsers) {
     return false;
@@ skipping 140 matching lines @@
   return gaia_screen_handler_->frame_error();
 }
 
 void SigninScreenHandler::OnCapsLockChanged(bool enabled) {
   caps_lock_enabled_ = enabled;
   if (page_is_ready())
     CallJS("login.AccountPickerScreen.setCapsLockState", caps_lock_enabled_);
 }
 
 }  // namespace chromeos