Moved IS_EPHEMERAL flag to extension prefs

extensions/browser/extension_util.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "extensions/browser/extension_util.h"
+
+#include "extensions/browser/extension_prefs.h"
+#include "extensions/browser/extension_registry.h"
+
+namespace extensions {
+namespace util {
+
+bool IsExtensionInstalledPermanently(const std::string& extension_id,
+                                     content::BrowserContext* context) {
+  const Extension* extension = ExtensionRegistry::Get(context)->
+      GetExtensionById(extension_id, ExtensionRegistry::EVERYTHING);
+  return extension && !IsEphemeralApp(extension_id, context);
+}
+
+bool IsEphemeralApp(const std::string& extension_id,
+                    content::BrowserContext* context) {
+  return ExtensionPrefs::Get(context)->IsEphemeralApp(extension_id);
+}
+
+}  // namespace util
+}  // namespace extensions