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// Copyright (c) 2012 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/extension_browsertest.h"
#include "chrome/browser/ui/browser.h"
#include "content/public/browser/render_view_host.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/process_manager.h"
#include "webkit/common/webpreferences.h"
// Tests that background pages are marked as never visible to prevent GPU
// resource allocation. See crbug.com/362165 and crbug.com/163698.
IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, BackgroundPageIsNeverVisible) {
ASSERT_TRUE(LoadExtension(
test_data_dir_.AppendASCII("good").AppendASCII("Extensions")
.AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
.AppendASCII("1.0.0.0")));
extensions::ProcessManager* manager =
extensions::ExtensionSystem::Get(browser()->profile())->process_manager();
extensions::ExtensionHost* host =
FindHostWithPath(manager, "/backgroundpage.html", 1);
ASSERT_TRUE(host->host_contents()->GetDelegate()->IsNeverVisible(
host->host_contents()));
}
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