Fix an ExtensionPopup crash on browser window close.

chrome/browser/extensions/api/extension_action/browser_action_interactive_test.cc

 // 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.
 
 #include "chrome/browser/extensions/browser_action_test_util.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
@@ skipping 245 matching lines @@
                                   "open_popup_succeeds.html")) << message_;
   frame_observer.Wait();
   EXPECT_TRUE(BrowserActionTestUtil(browser()).HasPopup());
 
   // Press CTRL+TAB to change active tabs, the extension popup should close.
   ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
       browser(), ui::VKEY_TAB, true, false, false, false));
   EXPECT_FALSE(BrowserActionTestUtil(browser()).HasPopup());
 }
 
+#if defined(TOOLKIT_VIEWS)
+// Test closing the browser while inspecting an extension popup with dev tools.
+IN_PROC_BROWSER_TEST_F(BrowserActionInteractiveTest, CloseBrowserWithDevTools) {
+  if (!ShouldRunPopupTest())
+    return;
+
+  // Load a first extension that can open a popup.
+  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII(
+      "browser_action/popup")));
+  const Extension* extension = GetSingleLoadedExtension();
+  ASSERT_TRUE(extension) << message_;
+
+  // Open an extension popup by clicking the browser action button.
+  content::WindowedNotificationObserver frame_observer(
+      content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
+      content::NotificationService::AllSources());
+  BrowserActionTestUtil(browser()).InspectPopup(0);
+  frame_observer.Wait();
+  EXPECT_TRUE(BrowserActionTestUtil(browser()).HasPopup());
+
+  // Close the browser window, this should not cause a crash.
+  chrome::CloseWindow(browser());
+}
+#endif  // TOOLKIT_VIEWS
+
 }  // namespace
 }  // namespace extensions