Move all callers of GetHomeDir() to PathService::Get(base::DIR_HOME).

chrome/browser/chromeos/login/user_manager_impl.cc

Index: chrome/browser/chromeos/login/user_manager_impl.cc
diff --git a/chrome/browser/chromeos/login/user_manager_impl.cc b/chrome/browser/chromeos/login/user_manager_impl.cc
index 1e0c61a99c7b6f86d073c225b2b659bec3a8ab06..53d12befea07b6b245aefd6587a4892c59110e16 100644
--- a/chrome/browser/chromeos/login/user_manager_impl.cc
+++ b/chrome/browser/chromeos/login/user_manager_impl.cc
@@ -1504,12 +1504,19 @@ void UserManagerImpl::RetailModeUserLoggedIn() {
 }
 
 void UserManagerImpl::NotifyOnLogin() {
-  UpdateNumberOfUsers();
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  // Notify that use of base::GetHomeDir() is now allowed and initialize
+  // it to primary user home dir.
+  base::SetUserLoggedIn(true);
+  if (GetLoggedInUsers().size() == 1)
+    base::SetPrimaryUserIdHash(active_user_->username_hash());
+
+  UpdateNumberOfUsers();
   NotifyActiveUserHashChanged(active_user_->username_hash());
   NotifyActiveUserChanged(active_user_);
-
   UpdateLoginState();
+
   // TODO(nkostylev): Deprecate this notification in favor of
   // ActiveUserChanged() observer call.
   content::NotificationService::current()->Notify(