Allow window.close() in background pages.

chrome/browser/extensions/browser_action_apitest.cc

 // Copyright (c) 2011 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 "build/build_config.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 361 matching lines @@
   service->toolbar_model()->MoveBrowserAction(
       service->extensions()->at(size_before + 1), 1);
 
   EXPECT_EQ(kTooltipC, GetBrowserActionsBar().GetTooltip(0));
   EXPECT_EQ(kTooltipB, GetBrowserActionsBar().GetTooltip(1));
   EXPECT_EQ(kTooltipA, GetBrowserActionsBar().GetTooltip(2));
 
   EXPECT_EQ(kTooltipC, incognito_bar.GetTooltip(0));
   EXPECT_EQ(kTooltipA, incognito_bar.GetTooltip(1));
 }
+
+IN_PROC_BROWSER_TEST_F(BrowserActionApiTest, CloseBackgroundPage) {
+  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII(
+      "browser_action/close_background")));
+  const Extension* extension = GetSingleLoadedExtension();
+
+  // There is a background page and a browser action with no badge text.
+  ExtensionProcessManager* manager =
+      browser()->profile()->GetExtensionProcessManager();
+  ASSERT_TRUE(manager->GetBackgroundHostForExtension(extension));
+  ExtensionAction* action = extension->browser_action();
+  ASSERT_EQ("", action->GetBadgeText(ExtensionAction::kDefaultTabId));
+
+  // Click the browser action.
+  browser()->profile()->GetExtensionService()->browser_event_router()->
+      BrowserActionExecuted(
+          browser()->profile(), action->extension_id(), browser());
+
+  // It can take a moment for the background page to actually get destroyed
+  // so we wait for the notification before checking that it's really gone
+  // and the badge text has been set.
+  ui_test_utils::WaitForNotification(
+      chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED);
+  ASSERT_FALSE(manager->GetBackgroundHostForExtension(extension));
+  ASSERT_EQ("X", action->GetBadgeText(ExtensionAction::kDefaultTabId));
+}