Lock screen for Chrome-Athena

chrome/browser/chromeos/login/lock/screen_locker.cc

Index: chrome/browser/chromeos/login/lock/screen_locker.cc
diff --git a/chrome/browser/chromeos/login/lock/screen_locker.cc b/chrome/browser/chromeos/login/lock/screen_locker.cc
index d2b05515ea61acd7f0f6599335fa6059a817e367..ec623c65621e3bcb76a3e7aaf32ada9c5df15f6b 100644
--- a/chrome/browser/chromeos/login/lock/screen_locker.cc
+++ b/chrome/browser/chromeos/login/lock/screen_locker.cc
@@ -364,7 +364,10 @@ void ScreenLocker::HandleLockScreenRequest() {
   if (g_screen_lock_observer->session_started() &&
       user_manager::UserManager::Get()->CanCurrentUserLock()) {
     ScreenLocker::Show();
+#if !defined(USE_ATHENA)
+    // TOOD(dpolukhin): crbug.com/413926.
     ash::Shell::GetInstance()->lock_state_controller()->OnStartingLock();
+#endif
   } else {
     // If the current user's session cannot be locked or the user has not
     // completed all sign-in steps yet, log out instead. The latter is done to
@@ -378,11 +381,6 @@ void ScreenLocker::HandleLockScreenRequest() {
 
 // static
 void ScreenLocker::Show() {
-#if defined(USE_ATHENA)
-  // crbug.com/413926
-  return;
-#endif
-
   content::RecordAction(UserMetricsAction("ScreenLocker_Show"));
   DCHECK(base::MessageLoopForUI::IsCurrent());
 
@@ -395,6 +393,7 @@ void ScreenLocker::Show() {
     return;
   }
 
+#if !defined(USE_ATHENA)
   // If the active window is fullscreen, exit fullscreen to avoid the web page
   // or app mimicking the lock screen. Do not exit fullscreen if the shelf is
   // visible while in fullscreen because the shelf makes it harder for a web
@@ -406,6 +405,7 @@ void ScreenLocker::Show() {
     const ash::wm::WMEvent event(ash::wm::WM_EVENT_TOGGLE_FULLSCREEN);
     active_window_state->OnWMEvent(&event);
   }
+#endif
 
   if (!screen_locker_) {
     ScreenLocker* locker =
@@ -422,11 +422,6 @@ void ScreenLocker::Show() {
 
 // static
 void ScreenLocker::Hide() {
-#if defined(USE_ATHENA)
-  // crbug.com/413926
-  return;
-#endif
-
   DCHECK(base::MessageLoopForUI::IsCurrent());
   // For a guest/demo user, screen_locker_ would have never been initialized.
   if (user_manager::UserManager::Get()->IsLoggedInAsGuest() ||
@@ -438,8 +433,12 @@ void ScreenLocker::Hide() {
   DCHECK(screen_locker_);
   base::Callback<void(void)> callback =
       base::Bind(&ScreenLocker::ScheduleDeletion);
+#if !defined(USE_ATHENA)
   ash::Shell::GetInstance()->lock_state_controller()->
     OnLockScreenHide(callback);
+#else
+  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, callback);
+#endif
 }
 
 void ScreenLocker::ScheduleDeletion() {
@@ -448,7 +447,9 @@ void ScreenLocker::ScheduleDeletion() {
     return;
   VLOG(1) << "Deleting ScreenLocker " << screen_locker_;
 
+#if !defined(USE_ATHENA)
   ash::PlaySystemSoundIfSpokenFeedback(SOUND_UNLOCK);
+#endif
 
   delete screen_locker_;
   screen_locker_ = NULL;
@@ -465,9 +466,12 @@ ScreenLocker::~ScreenLocker() {
     authenticator_->SetConsumer(NULL);
   ClearErrors();
 
+#if !defined(USE_ATHENA)
+  // TOOD(dpolukhin): we need to to something similar for Athena.
   VLOG(1) << "Moving desktop background to unlocked container";
   ash::Shell::GetInstance()->
       desktop_background_controller()->MoveDesktopToUnlockedContainer();
+#endif
 
   screen_locker_ = NULL;
   bool state = false;
@@ -498,8 +502,10 @@ void ScreenLocker::ScreenLockReady() {
   UMA_HISTOGRAM_TIMES("ScreenLocker.ScreenLockTime", delta);
 
   VLOG(1) << "Moving desktop background to locked container";
+#if !defined(USE_ATHENA)
   ash::Shell::GetInstance()->
       desktop_background_controller()->MoveDesktopToLockedContainer();
+#endif
 
   input_method::InputMethodManager::Get()
       ->GetActiveIMEState()