Easy Unlock: Add support for hard locking

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

Index: chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
index 138e06ff1a435fe887e73dbb1c9891ed4bf1b454..615a30b2479a4eb95b862e3f49611ff639fbf1e0 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
@@ -762,6 +762,7 @@ void SigninScreenHandler::RegisterMessages() {
   AddCallback("updateOfflineLogin",
               &SigninScreenHandler::HandleUpdateOfflineLogin);
   AddCallback("focusPod", &SigninScreenHandler::HandleFocusPod);
+  AddCallback("hardlockPod", &SigninScreenHandler::HandleHardlockPod);
   AddCallback("retrieveAuthenticatedUserEmail",
               &SigninScreenHandler::HandleRetrieveAuthenticatedUserEmail);
   AddCallback("getPublicSessionKeyboardLayouts",
@@ -946,6 +947,10 @@ void SigninScreenHandler::SetAuthType(
     const std::string& username,
     ScreenlockBridge::LockHandler::AuthType auth_type,
     const base::string16& initial_value) {
+  if (delegate_->GetAuthType(username) ==
+          ScreenlockBridge::LockHandler::FORCE_OFFLINE_PASSWORD)
+    return;
+
   delegate_->SetAuthType(username, auth_type);
 
   CallJS("login.AccountPickerScreen.setAuthType",
@@ -1302,6 +1307,13 @@ void SigninScreenHandler::HandleFocusPod(const std::string& user_id) {
   WallpaperManager::Get()->SetUserWallpaperDelayed(user_id);
 }
 
+void SigninScreenHandler::HandleHardlockPod(const std::string& user_id) {
+  SetAuthType(user_id,
+              ScreenlockBridge::LockHandler::FORCE_OFFLINE_PASSWORD,
+              base::string16());
+  HideUserPodCustomIcon(user_id);
+}
+
 void SigninScreenHandler::HandleRetrieveAuthenticatedUserEmail(
     double attempt_token) {
   // TODO(antrim) : move GaiaSigninScreen dependency to GaiaSigninScreen.