Keep browser process alive while there are platform apps with background pages running.

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"
+#include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/extensions/shell_window_registry.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/extensions/shell_window.h"
+#include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_utils.h"
 
 using content::WebContents;
 
 namespace utils = extension_function_test_utils;
 
 namespace extensions {
 
 void PlatformAppBrowserTest::SetUpCommandLine(CommandLine* command_line) {
   // Skips ExtensionApiTest::SetUpCommandLine.
   ExtensionBrowserTest::SetUpCommandLine(command_line);
+}
 
-  // Make event pages get suspended quicker.
-  command_line->AppendSwitchASCII(switches::kEventPageIdleTime, "1");
-  command_line->AppendSwitchASCII(switches::kEventPageUnloadingTime, "1");
+const Extension* PlatformAppBrowserTest::LoadPlatformApp(const char* name) {
+  const Extension* extension = LoadExtension(
+      test_data_dir_.AppendASCII("platform_apps").AppendASCII(name));
+  EXPECT_TRUE(extension);
+
+  return extension;
+}
+
+const Extension* PlatformAppBrowserTest::InstallPlatformApp(
+    const char* name) {
+  const Extension* extension = InstallExtension(
+      test_data_dir_.AppendASCII("platform_apps").AppendASCII(name), 1);
+  EXPECT_TRUE(extension);
+
+  return extension;
 }
 
 const Extension* PlatformAppBrowserTest::LoadAndLaunchPlatformApp(
     const char* name) {
-  content::WindowedNotificationObserver app_loaded_observer(
-      content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
-      content::NotificationService::AllSources());
+  ExtensionTestMessageListener launched_listener("Launched", false);
 
-  const Extension* extension = LoadExtension(
-      test_data_dir_.AppendASCII("platform_apps").AppendASCII(name));
-  EXPECT_TRUE(extension);
-
+  const Extension* extension = LoadPlatformApp(name);
   application_launch::OpenApplication(application_launch::LaunchParams(
           browser()->profile(), extension, extension_misc::LAUNCH_NONE,
           NEW_WINDOW));
 
-  app_loaded_observer.Wait();
+  launched_listener.WaitUntilSatisfied();
 
   return extension;
 }
 
 const Extension* PlatformAppBrowserTest::InstallAndLaunchPlatformApp(
     const char* name) {
-  content::WindowedNotificationObserver app_loaded_observer(
-      content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
-      content::NotificationService::AllSources());
+  ExtensionTestMessageListener launched_listener("Launched", false);
 
-  const Extension* extension = InstallExtension(
-      test_data_dir_.AppendASCII("platform_apps").AppendASCII(name), 1);
-  EXPECT_TRUE(extension);
-
+  const Extension* extension = InstallPlatformApp(name);
   application_launch::OpenApplication(application_launch::LaunchParams(
           browser()->profile(), extension, extension_misc::LAUNCH_NONE,
           NEW_WINDOW));
 
-  app_loaded_observer.Wait();
+  launched_listener.WaitUntilSatisfied();
 
   return extension;
 }
 
 WebContents* PlatformAppBrowserTest::GetFirstShellWindowWebContents() {
   ShellWindow* window = GetFirstShellWindow();
   if (window)
     return window->web_contents();
 
   return NULL;
 }
 
 ShellWindow* PlatformAppBrowserTest::GetFirstShellWindow() {
   ShellWindowRegistry* app_registry =
       ShellWindowRegistry::Get(browser()->profile());
   ShellWindowRegistry::const_iterator iter;
   ShellWindowRegistry::ShellWindowSet shell_windows =
       app_registry->shell_windows();
-  for (iter = shell_windows.begin(); iter != shell_windows.end(); ++iter) {
+  for (iter = shell_windows.begin(); iter != shell_windows.end(); ++iter)
     return *iter;
-  }
 
   return NULL;
 }
 
 size_t PlatformAppBrowserTest::RunGetWindowsFunctionForExtension(
     const Extension* extension) {
   scoped_refptr<GetAllWindowsFunction> function = new GetAllWindowsFunction();
   function->set_extension(extension);
   scoped_ptr<base::ListValue> result(utils::ToList(
       utils::RunFunctionAndReturnSingleResult(function.get(),
@@ skipping 37 matching lines @@
   command_line->AppendArgPath(test_doc);
 }
 
 ShellWindow* PlatformAppBrowserTest::CreateShellWindow(
     const Extension* extension) {
   ShellWindow::CreateParams params;
   return ShellWindow::Create(
       browser()->profile(), extension, GURL(""), params);
 }
 
-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