ash: Use SessionController instead of SessionStateDelegate

chrome/browser/chromeos/login/session/user_session_manager.cc

Index: chrome/browser/chromeos/login/session/user_session_manager.cc
diff --git a/chrome/browser/chromeos/login/session/user_session_manager.cc b/chrome/browser/chromeos/login/session/user_session_manager.cc
index 6430ca7599385c5e82684ebe5c0f898b91d0d6d1..cac2b2e493d66a3808fa31329b610257c1b75c5f 100644
--- a/chrome/browser/chromeos/login/session/user_session_manager.cc
+++ b/chrome/browser/chromeos/login/session/user_session_manager.cc
@@ -1752,6 +1752,11 @@ void UserSessionManager::DoBrowserLaunchInternal(Profile* profile,
 
   BootTimesRecorder::Get()->AddLoginTimeMarker("BrowserLaunched", false);
 
+  // Mark user session as started before creating browser window. Otherwise,
+  // ash would not activate the created browser window because it thinks
+  // user session is blocked.
+  session_manager::SessionManager::Get()->SessionStarted();
+
   VLOG(1) << "Launching browser...";
   TRACE_EVENT0("login", "LaunchBrowser");
 
@@ -1798,7 +1803,6 @@ void UserSessionManager::DoBrowserLaunchInternal(Profile* profile,
   // browser before it is dereferenced by the login host.
   if (login_host)
     login_host->Finalize();
-  session_manager::SessionManager::Get()->SessionStarted();
   chromeos::BootTimesRecorder::Get()->LoginDone(
       user_manager::UserManager::Get()->IsCurrentUserNew());