Change GetBrowserItemIndex() to GetLauncherItemIndexForType()

ash/launcher/launcher_model_util.h

Index: ash/launcher/launcher_model_util.h
diff --git a/ash/launcher/launcher_model_util.h b/ash/launcher/launcher_model_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..9cc9932100262f901edf698484d86a146d036686
--- /dev/null
+++ b/ash/launcher/launcher_model_util.h
@@ -0,0 +1,25 @@
+// Copyright 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 ASH_LAUNCHER_LAUNCHER_MODEL_UTIL_H_
+#define ASH_LAUNCHER_LAUNCHER_MODEL_UTIL_H_
+
+#include "ash/ash_export.h"
+#include "ash/launcher/launcher_types.h"
+
+namespace ash {
+
+class LauncherModel;
+
+// Return the index of the |type| from a given |launcher_model|.
+// Note:
+//  * If there are many items for |type| in the |launcher_model|, an index of
+//    first item will be returned.
+//  * If there is no item for |type|, -1 will be returned.
+ASH_EXPORT int GetLauncherItemIndexForType(LauncherItemType type,
+                                           const LauncherModel& launcher_model);
+
+}  // namespace ash
+
+#endif  // ASH_LAUNCHER_LAUNCHER_MODEL_UTIL_H_