Moved IS_EPHEMERAL flag to extension prefs

chrome/browser/extensions/extension_util.cc

Index: chrome/browser/extensions/extension_util.cc
diff --git a/chrome/browser/extensions/extension_util.cc b/chrome/browser/extensions/extension_util.cc
index 35e60c17fd06b32b89787f79530032ce84c715b7..7a921ac7e92e5d163f88e9d827cba684b9f5c35a 100644
--- a/chrome/browser/extensions/extension_util.cc
+++ b/chrome/browser/extensions/extension_util.cc
@@ -171,13 +171,6 @@ bool IsExtensionIdle(const std::string& extension_id,
   return process_manager->GetRenderViewHostsForExtension(extension_id).empty();
 }
 
-bool IsExtensionInstalledPermanently(const std::string& extension_id,
-                                     content::BrowserContext* context) {
-  const Extension* extension = ExtensionRegistry::Get(context)->
-      GetExtensionById(extension_id, ExtensionRegistry::EVERYTHING);
-  return extension && !extension->is_ephemeral();
-}
-
 GURL GetSiteForExtensionId(const std::string& extension_id,
                            content::BrowserContext* context) {
   return content::SiteInstance::GetSiteForURL(