Sessions API - previously Session Restore API. Supports restoring currently open foreign windows an…

chrome/browser/extensions/api/tabs/windows_util.h

+// Copyright (c) 2013 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_API_TABS_WINDOWS_UTIL_H__
+#define CHROME_BROWSER_EXTENSIONS_API_TABS_WINDOWS_UTIL_H__
+
+class UIThreadExtensionFunction;
+
+namespace extensions {
+class WindowController;
+}
+
+namespace windows_util {
+
+// Populates |controller| for given |window_id|. If the window is not found,
+// returns false and sets UIThreadExtensionFunction error_.
+bool GetWindowFromWindowID(UIThreadExtensionFunction* function,
+                           int window_id,
+                           extensions::WindowController** controller);
+
+}  // namespace windows_util
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_WINDOWS_UTIL_H__