Moved IS_EPHEMERAL flag to extension prefs

chrome/browser/extensions/extension_ui_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 CHROME_BROWSER_EXTENSIONS_EXTENSION_UI_UTIL_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_UI_UTIL_H_
+
+namespace content {
+class BrowserContext;
+}
+
+namespace extensions {
+
+class Extension;
+
+namespace ui_util {
+
+bool ShouldDisplayInAppLauncher(const Extension* extension,
+                                content::BrowserContext* context);
+
+bool ShouldDisplayInNewTabPage(const Extension* extension,
+                               content::BrowserContext* context);
+
+bool ShouldDisplayInExtensionSettings(const Extension* extension,
+                                      content::BrowserContext* context);
+
+bool ShouldNotBeVisible(const Extension* extension,
+                        content::BrowserContext* context);
+
+}  // namespace ui_util
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_UI_UTIL_H_