Fixed app launcher crashing trying to load guest profile.

chrome/browser/ui/views/app_list/win/app_list_service_win.cc

Index: chrome/browser/ui/views/app_list/win/app_list_service_win.cc
diff --git a/chrome/browser/ui/views/app_list/win/app_list_service_win.cc b/chrome/browser/ui/views/app_list/win/app_list_service_win.cc
index 6c00856ce856d71fc63449d5647467c75841a56f..e08d0568470f24ece5db857b4798e06ec94333f9 100644
--- a/chrome/browser/ui/views/app_list/win/app_list_service_win.cc
+++ b/chrome/browser/ui/views/app_list/win/app_list_service_win.cc
@@ -271,6 +271,12 @@ void AppListServiceWin::ShowForProfile(Profile* requested_profile) {
 }
 
 void AppListServiceWin::OnLoadProfileForWarmup(Profile* initial_profile) {
+  // App list profiles should not be off-the-record. It is currently possible to
+  // get here in an off-the-record profile via the Web Store
+  // (http://crbug.com/416380).
+  // TODO(mgiuca): DCHECK that requested_profile->IsOffTheRecord() and
+  // requested_profile->IsGuestSession() are false, once that is resolved.
+
   if (!IsWarmupNeeded())
     return;