Moved IS_EPHEMERAL flag to extension prefs

extensions/browser/extension_util.h

+// 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.
+
+#ifndef EXTENSIONS_BROWSER_EXTENSION_UTIL_H_
+#define EXTENSIONS_BROWSER_EXTENSION_UTIL_H_
+
+#include <string>
+
+namespace content {
+class BrowserContext;
+}
+
+namespace extensions {
+namespace util {
+
+// TODO(tmdiep): Move functions from chrome/browser/extension_util.h/cc that are
+// only dependent on extensions/ here.
+
+// Returns true if |extension_id| identifies an extension that is installed
+// permanently and not ephemerally.
+bool IsExtensionInstalledPermanently(const std::string& extension_id,
+                                     content::BrowserContext* context);
+
+// Returns true if |extension_id| identifies an ephemeral app.
+bool IsEphemeralApp(const std::string& extension_id,
+                    content::BrowserContext* context);
+
+}  // namespace util
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_EXTENSION_UTIL_H_