Moved IS_EPHEMERAL flag to extension prefs

extensions/browser/extension_prefs.h

Index: extensions/browser/extension_prefs.h
diff --git a/extensions/browser/extension_prefs.h b/extensions/browser/extension_prefs.h
index d2cc9ebc4277849faf60e50a7cc38c3cd22e2e91..0c36d6d67741e89a1516afb7651d2df59f58b070 100644
--- a/extensions/browser/extension_prefs.h
+++ b/extensions/browser/extension_prefs.h
@@ -190,6 +190,7 @@ class ExtensionPrefs : public ExtensionScopedPrefs, public KeyedService {
   void OnExtensionInstalled(const Extension* extension,
                             Extension::State initial_state,
                             bool blacklisted_for_malware,
+                            bool is_ephemeral,
                             const syncer::StringOrdinal& page_ordinal,
                             const std::string& install_parameter);
 
@@ -440,6 +441,7 @@ class ExtensionPrefs : public ExtensionScopedPrefs, public KeyedService {
   void SetDelayedInstallInfo(const Extension* extension,
                              Extension::State initial_state,
                              bool blacklisted_for_malware,
+                             bool is_ephemeral,
                              DelayReason delay_reason,
                              const syncer::StringOrdinal& page_ordinal,
                              const std::string& install_parameter);
@@ -473,6 +475,9 @@ class ExtensionPrefs : public ExtensionScopedPrefs, public KeyedService {
   // Permanently remove the preferences for an evicted ephemeral app.
   void RemoveEvictedEphemeralApp(const std::string& extension_id);
 
+  // Returns true if the extension is an ephemeral app.
+  bool IsEphemeralApp(const std::string& extension_id) const;
+
   // Returns true if the user repositioned the app on the app launcher via drag
   // and drop.
   bool WasAppDraggedByUser(const std::string& extension_id);
@@ -679,6 +684,7 @@ class ExtensionPrefs : public ExtensionScopedPrefs, public KeyedService {
                                   const base::Time install_time,
                                   Extension::State initial_state,
                                   bool blacklisted_for_malware,
+                                  bool is_ephemeral,
                                   const std::string& install_parameter,
                                   base::DictionaryValue* extension_dict);