Restart running apps when chrome restarts.

chrome/browser/extensions/platform_app_browsertest_util.cc

 // 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/platform_app_browsertest_util.h"
 
 #include "base/command_line.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/api/tabs/tabs.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
@@ skipping 45 matching lines @@
 
 PlatformAppBrowserTest::PlatformAppBrowserTest() {
 }
 
 PlatformAppBrowserTest::~PlatformAppBrowserTest() {
 }
 
 void PlatformAppBrowserTest::SetUpCommandLine(CommandLine* command_line) {
   ExtensionBrowserTest::SetUpCommandLine(command_line);
   command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
+
+  // Make event pages get suspended quicker.
+  command_line->AppendSwitchASCII(switches::kEventPageIdleTime, "1");
+  command_line->AppendSwitchASCII(switches::kEventPageUnloadingTime, "1");
 }
 
 void PlatformAppBrowserTest::SetUpOnMainThread() {
   mock_external_url_controller_.reset(new MockExternalUrlController());
   ShellWindow::SetExternalUrlControllerForTesting(
       mock_external_url_controller_.get());
 }
 
 const Extension* PlatformAppBrowserTest::LoadAndLaunchPlatformApp(
     const char* name) {
@@ skipping 109 matching lines @@
 
 void PlatformAppBrowserTest::CloseShellWindow(ShellWindow* window) {
   content::WindowedNotificationObserver destroyed_observer(
       content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
       content::NotificationService::AllSources());
   window->GetBaseWindow()->Close();
   destroyed_observer.Wait();
 }
 
 }  // namespace extensions