Do not assign launch ordinals to ephemeral apps

chrome/browser/extensions/chrome_app_sorting.h

Index: chrome/browser/extensions/chrome_app_sorting.h
diff --git a/chrome/browser/extensions/chrome_app_sorting.h b/chrome/browser/extensions/chrome_app_sorting.h
index b943357789ad1bff6017672000a95678ccf1fc88..3e2165187e9cff5bf945d43b16f184df54069b4f 100644
--- a/chrome/browser/extensions/chrome_app_sorting.h
+++ b/chrome/browser/extensions/chrome_app_sorting.h
@@ -17,6 +17,7 @@
 
 class ExtensionSyncService;
 class PrefService;
+class Profile;
 
 namespace extensions {
 
@@ -156,6 +157,7 @@ class ChromeAppSorting : public AppSorting {
   // Returns the number of items in |m| visible on the new tab page.
   size_t CountItemsVisibleOnNtp(const AppLaunchOrdinalMap& m) const;
 
+  Profile* profile_;
   ExtensionScopedPrefs* extension_scoped_prefs_;  // Weak, owns this instance.
   ExtensionSyncService* extension_sync_service_;  // Weak.