Fix MenuPreTargetHandler Crash

ui/views/controls/menu/menu_controller_unittest.cc

 // Copyright 2014 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.
 
 #include "ui/views/controls/menu/menu_controller.h"
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 1286 matching lines @@
   MenuController* controller = menu_controller();
   controller->SetAsyncRun(true);
 
   int mouse_event_flags = 0;
   MenuItemView* run_result =
       controller->Run(owner(), nullptr, menu_item(), gfx::Rect(),
                       MENU_ANCHOR_TOPLEFT, false, false, &mouse_event_flags);
   EXPECT_EQ(run_result, nullptr);
   TestCancelEvent();
 }
+
+// Tests that if a menu is ran without a widget, that MenuPreTargetHandler does
+// not cause a crash.
+TEST_F(MenuControllerTest, RunWithoutWidgetDoesntCrash) {
+  ExitMenuRun();
+  MenuController* controller = menu_controller();
+  controller->SetAsyncRun(true);
+  int mouse_event_flags = 0;
+  MenuItemView* run_result =
+      controller->Run(nullptr, nullptr, menu_item(), gfx::Rect(),
+                      MENU_ANCHOR_TOPLEFT, false, false, &mouse_event_flags);
+  EXPECT_EQ(run_result, nullptr);
+}
+
 #endif  // defined(USE_AURA)
 
 }  // namespace test
 }  // namespace views