Fix Launcher crash in ChromeOS guest mode.

chrome/browser/ui/app_list/start_page_service_factory.cc

Index: chrome/browser/ui/app_list/start_page_service_factory.cc
diff --git a/chrome/browser/ui/app_list/start_page_service_factory.cc b/chrome/browser/ui/app_list/start_page_service_factory.cc
index 6e5c30b90dcaed58310272d03d463e80eb9e6e03..093711b40b236d6aed99151b5a36c88c3927cec8 100644
--- a/chrome/browser/ui/app_list/start_page_service_factory.cc
+++ b/chrome/browser/ui/app_list/start_page_service_factory.cc
@@ -55,7 +55,7 @@ KeyedService* StartPageServiceFactory::BuildServiceInstanceFor(
 content::BrowserContext* StartPageServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   // The start page service needs an instance in ChromeOS guest mode.
-  return chrome::GetBrowserContextRedirectedInIncognito(context);
+  return chrome::GetBrowserContextOwnInstanceInIncognito(context);
 }
 
 }  // namespace app_list