Defer construction of NotificationUIManager to fix notification initialization.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index ab2b807298bf7ffbff46d8103dc8639f3b0c8906..ac993ccad1f46202626aab130e62eaa4f8b3b740 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -1852,11 +1852,6 @@ void ChromeBrowserMainParts::StartBrowserOrUITask() {
   // Still initializing, so need to allow IO.
   base::ThreadRestrictions::ScopedAllowIO allow_io;
 
-  // Set the notification UI manager after any desktop initialization in
-  // PreMainMessageLoopRun() is complete, and before starting the browser.
-  DesktopNotificationServiceFactory::GetForProfile(profile_)->SetUIManager(
-      g_browser_process->notification_ui_manager());
-
   // Tests should be able to tune login manager before showing it.
   // Thus only show login manager in normal (non-testing) mode.
   if (!parameters().ui_task)