Perform install tasks for newly installed or upgraded component apps/extensions.

chrome/browser/extensions/platform_app_browsertest.cc

Index: chrome/browser/extensions/platform_app_browsertest.cc
diff --git a/chrome/browser/extensions/platform_app_browsertest.cc b/chrome/browser/extensions/platform_app_browsertest.cc
index da04fa9f134146e2638fc6b5ced568b4dbda4be2..a313805072427d7c341510a9cacce26b41eaf6ff 100644
--- a/chrome/browser/extensions/platform_app_browsertest.cc
+++ b/chrome/browser/extensions/platform_app_browsertest.cc
@@ -20,6 +20,7 @@
 #include "chrome/browser/extensions/platform_app_browsertest_util.h"
 #include "chrome/browser/extensions/platform_app_launcher.h"
 #include "chrome/browser/extensions/shell_window_registry.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/tab_contents/render_view_context_menu.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
@@ -826,4 +827,87 @@ IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, ReloadRelaunches) {
   ASSERT_TRUE(GetFirstShellWindow());
 }
 
+// Component App Test 1 of 3: ensure that the initial load of a component
+// extension utilising a background page (i.e. a v2 platform app) has its
+// background page run and is launchable. Waits for the Launched response from
+// the script resource in the opened shell window.
+IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest,
+                       PRE_PRE_ComponentAppBackgroundPage) {
+  ExtensionTestMessageListener launched_listener("Launched", false);
+  content::WindowedNotificationObserver app_loaded_observer(
+      content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
+      content::NotificationService::AllSources());
+
+  const Extension* extension = LoadExtensionAsComponent(
+      test_data_dir_.AppendASCII("platform_apps").AppendASCII("component"));
+  ASSERT_TRUE(extension);
+
+  app_loaded_observer.Wait();
+
+  application_launch::OpenApplication(application_launch::LaunchParams(
+          browser()->profile(), extension, extension_misc::LAUNCH_NONE,
+          NEW_WINDOW));
+
+  ASSERT_TRUE(launched_listener.WaitUntilSatisfied());
+}
+
+// Component App Test 2 of 3: ensure an installed component app can be launched
+// on a subsequent browser start, without requiring any install/upgrade logic
+// to be run, then perform setup for step 3.
+IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest,
+                       PRE_ComponentAppBackgroundPage) {
+  ExtensionTestMessageListener launched_listener("Launched", false);
+
+  // Note: no app_loaded_observer: since component app is now installed,
+  // re-adding it in the same profile should not cause it to be re-installed.
+  const Extension* extension = LoadExtensionAsComponent(
+      test_data_dir_.AppendASCII("platform_apps").AppendASCII("component"));
+  ASSERT_TRUE(extension);
+
+  application_launch::OpenApplication(application_launch::LaunchParams(
+          browser()->profile(), extension, extension_misc::LAUNCH_NONE,
+          NEW_WINDOW));
+
+  ASSERT_TRUE(launched_listener.WaitUntilSatisfied());
+
+  ExtensionPrefs* extension_prefs =
+      extensions::ExtensionSystem::Get(browser()->profile())->
+      extension_service()->extension_prefs();
+  (void)extension_prefs;
+
+  // Clear the registered events to ensure they are updated.
+  extension_prefs->SetRegisteredEvents(extension->id(),
+                                       std::set<std::string>());
+
+  // Simulate a "downgrade" from version 2 in the test manifest.json to 1.
+  const base::StringValue old_version("1");
+  std::string pref_path("extensions.settings.");
+  pref_path += extension->id();
+  pref_path += ".manifest.version";
+  extension_prefs->pref_service()->RegisterStringPref(
+      pref_path.c_str(), std::string(), PrefServiceBase::UNSYNCABLE_PREF);
+  extension_prefs->pref_service()->Set(pref_path.c_str(), old_version);
+}
+
+// Component App Test 3 of 3: simulate a component extension upgrade that
+// re-adds the OnLaunched event, and allows the app to be launched.
+IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, ComponentAppBackgroundPage) {
+  ExtensionTestMessageListener launched_listener("Launched", false);
+
+  // Since we are forcing an upgrade, we need to wait for the load again.
+  content::WindowedNotificationObserver app_loaded_observer(
+      content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
+      content::NotificationService::AllSources());
+  const Extension* extension = LoadExtensionAsComponent(
+      test_data_dir_.AppendASCII("platform_apps").AppendASCII("component"));
+  ASSERT_TRUE(extension);
+  app_loaded_observer.Wait();
+
+  application_launch::OpenApplication(application_launch::LaunchParams(
+          browser()->profile(), extension, extension_misc::LAUNCH_NONE,
+          NEW_WINDOW));
+
+  ASSERT_TRUE(launched_listener.WaitUntilSatisfied());
+}
+
 }  // namespace extensions