1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/browser/extensions/extension_browsertest.h"
6 #include "chrome/browser/ui/browser.h"
7 #include "content/public/browser/render_view_host.h"
8 #include "content/public/common/web_preferences.h"
9 #include "extensions/browser/extension_host.h"
10 #include "extensions/browser/extension_system.h"
11 #include "extensions/browser/process_manager.h"
13 // Tests that background pages are marked as never visible to prevent GPU
14 // resource allocation. See crbug.com/362165 and crbug.com/163698.
15 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest
, BackgroundPageIsNeverVisible
) {
16 ASSERT_TRUE(LoadExtension(
17 test_data_dir_
.AppendASCII("good").AppendASCII("Extensions")
18 .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
19 .AppendASCII("1.0.0.0")));
21 extensions::ProcessManager
* manager
=
22 extensions::ExtensionSystem::Get(browser()->profile())->process_manager();
23 extensions::ExtensionHost
* host
=
24 FindHostWithPath(manager
, "/backgroundpage.html", 1);
25 ASSERT_TRUE(host
->host_contents()->GetDelegate()->IsNeverVisible(
26 host
->host_contents()));