Fix memory corruption during launching an app from shortcut.

chrome/browser/ui/ash/launcher/app_shortcut_launcher_item_controller.cc

Index: chrome/browser/ui/ash/launcher/app_shortcut_launcher_item_controller.cc
diff --git a/chrome/browser/ui/ash/launcher/app_shortcut_launcher_item_controller.cc b/chrome/browser/ui/ash/launcher/app_shortcut_launcher_item_controller.cc
index 0db7cbbb30e40f1e41c5e8c760e68c7d37b91cd4..8c1bab2bffa323bd043f37508976b744e74f1424 100644
--- a/chrome/browser/ui/ash/launcher/app_shortcut_launcher_item_controller.cc
+++ b/chrome/browser/ui/ash/launcher/app_shortcut_launcher_item_controller.cc
@@ -109,8 +109,11 @@ bool AppShortcutLauncherItemController::IsVisible() const {
 
 void AppShortcutLauncherItemController::Launch(ash::LaunchSource source,
                                                int event_flags) {
-  launcher_controller()->LaunchAppWithLaunchId(app_id(), launch_id(), source,
-                                               event_flags);
+  // Launching an app replaces shortcut item controller to app controller. As
+  // result app_id_, launch_id_ are deleted during this call. Use local copies
+  // to prevent crash condition.
+  launcher_controller()->LaunchAppWithLaunchId(
+      std::string(app_id()), std::string(launch_id()), source, event_flags);
 }
 
 ash::ShelfItemDelegate::PerformedAction