Send UnlockCompleted signal even if screen lock is already present.

chrome/browser/chromeos/login/screen_locker.cc

Index: chrome/browser/chromeos/login/screen_locker.cc
diff --git a/chrome/browser/chromeos/login/screen_locker.cc b/chrome/browser/chromeos/login/screen_locker.cc
index 23affad10eab62358e1d89710eedfdfb8898fa3a..a6a07634ad6a34734c296427ba56a054aff3b3cb 100644
--- a/chrome/browser/chromeos/login/screen_locker.cc
+++ b/chrome/browser/chromeos/login/screen_locker.cc
@@ -589,7 +589,10 @@ void ScreenLocker::Show() {
         new ScreenLocker(UserManager::Get()->logged_in_user());
     locker->Init();
   } else {
-    LOG(INFO) << "Show(): screen locker already exists. ignoring";
+    LOG(INFO) << "Show(): screen locker already exists. "
+              << "just sending completion event";
+    if (CrosLibrary::Get()->EnsureLoaded())
+      CrosLibrary::Get()->GetScreenLockLibrary()->NotifyScreenLockCompleted();
   }
 }