[Chrome OS] Change layout of the launcher.

chrome/browser/ui/app_list/arc/arc_app_list_prefs.h

Index: chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
diff --git a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
index e1ce1d86932144b8f265f0fb892d2d1d969daf78..ece4046729b265e5ee47cbd455442c69763df8ca 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
+++ b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
@@ -58,6 +58,7 @@ class ArcAppListPrefs
             const std::string& intent_uri,
             const std::string& icon_resource_id,
             const base::Time& last_launch_time,
+            const base::Time& install_time,
             bool sticky,
             bool notifications_enabled,
             bool ready,
@@ -72,6 +73,7 @@ class ArcAppListPrefs
     std::string intent_uri;
     std::string icon_resource_id;
     base::Time last_launch_time;
+    base::Time install_time;
     bool sticky;
     bool notifications_enabled;
     bool ready;
@@ -269,6 +271,7 @@ class ArcAppListPrefs
   // apps while Arc is not started yet. All apps in this case have disabled
   // state.
   void NotifyRegisteredApps();
+  base::Time GetInstallTime(const std::string& app_id) const;
 
   // Installs an icon to file system in the special folder of the profile
   // directory.