Make OSX App Launcher Launchable from the Dock.

chrome/browser/ui/app_list/app_list_dismiss_observer_mac.h

Index: chrome/browser/ui/app_list/app_list_dismiss_observer_mac.h
diff --git a/chrome/browser/ui/app_list/app_list_dismiss_observer_mac.h b/chrome/browser/ui/app_list/app_list_dismiss_observer_mac.h
new file mode 100644
index 0000000000000000000000000000000000000000..344a7f7a06cecc14b6e4263b0c32dc95c3fffc85
--- /dev/null
+++ b/chrome/browser/ui/app_list/app_list_dismiss_observer_mac.h
@@ -0,0 +1,21 @@
+// 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 CHROME_BROWSER_UI_APP_LIST_APP_LIST_DISMISS_OBSERVER_MAC_H_
+#define CHROME_BROWSER_UI_APP_LIST_APP_LIST_DISMISS_OBSERVER_MAC_H_
+
+namespace chrome {
+
+class AppListDismissObserverMac {
+ public:
+  // Invoked when the app list window is dismissed.
+  virtual void OnAppListDismissed() = 0;
+
+ protected:
+  ~AppListDismissObserverMac() {}
+};
+
+}  // namespace chrome
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_DISMISS_OBSERVER_MAC_H_