Moved methods that don't rely on internal state out of ChromeLauncherController.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_util.h

+// Copyright 2016 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_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_UTIL_H_

[msw, 2016/06/27 18:50:26]

nit: this is ok for now, but we might want to find better homes for these misc
CLC functions. (ie. IsBrowserFromActiveUser -> multi_user_util.*).

+#define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_UTIL_H_
+
+#include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
+
+namespace extensions {
+class Extension;
+}
+
+class Browser;
+
+// Returns true if |browser| is owned by the active user.
+bool IsBrowserFromActiveUser(Browser* browser);
+
+// Returns the extension identified by |app_id|.
+const extensions::Extension* GetExtensionForAppID(const std::string& app_id,
+                                                  Profile* profile);
+
+// TODO(khmel): Find better home for Pinnable enum.

[msw, 2016/06/27 18:50:26]

nit: move this comment to the enum decl; add a function comment.

+AppListControllerDelegate::Pinnable GetPinnableForAppID(
+    const std::string& app_id,
+    Profile* profile);
+
+#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_UTIL_H_