Remove obsolete special case for Retail mode start-up urls policy.

Chrome starts correctly with start up urls specified by policy regardless of
the session restore settings.

BUG=301711
TEST=Enroll in Retail mode and verify that the StartUpUrls policy is respected as before.

Review URL: https://codereview.chromium.org/25076007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226512 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/startup/startup_browser_creator.cc

@@ -363,16 +363,6 @@ SessionStartupPref StartupBrowserCreator::GetSessionStartupPref(
     pref.type = SessionStartupPref::DEFAULT;
   }
 
-#if defined(OS_CHROMEOS)
-  // Kiosk/Retail mode has no profile to restore and fails to open the tabs
-  // specified in the startup_urls policy if we try to restore the non-existent
-  // session which is the default for ChromeOS in general.
-  if (chromeos::KioskModeSettings::Get()->IsKioskModeEnabled()) {
-    DCHECK(pref.type == SessionStartupPref::LAST);
-    pref.type = SessionStartupPref::DEFAULT;
-  }
-#endif  // OS_CHROMEOS
-
   return pref;
 }