Update defaults for InstantExtended.

chrome/browser/extensions/app_process_apitest.cc

Index: chrome/browser/extensions/app_process_apitest.cc
diff --git a/chrome/browser/extensions/app_process_apitest.cc b/chrome/browser/extensions/app_process_apitest.cc
index 380ba1ce4610b6b991d4d0bfa735ab7636321b38..07d8d843b05a4e81e7c6a3c9eb7a68d86f6db587 100644
--- a/chrome/browser/extensions/app_process_apitest.cc
+++ b/chrome/browser/extensions/app_process_apitest.cc
@@ -93,7 +93,7 @@ class AppApiTest : public ExtensionApiTest {
     EXPECT_FALSE(browser()->tab_strip_model()->GetWebContentsAt(1)->GetWebUI());
 
     content::WindowedNotificationObserver tab_added_observer(
-        chrome::NOTIFICATION_TAB_ADDED,
+        content::NOTIFICATION_LOAD_STOP,
         content::NotificationService::AllSources());
     chrome::NewTab(browser());
     tab_added_observer.Wait();
@@ -382,9 +382,18 @@ IN_PROC_BROWSER_TEST_F(AppApiTest, AppProcessRedirectBack) {
   // Open two tabs in the app.
   GURL base_url = GetTestBaseURL("app_process");
 
+  content::WindowedNotificationObserver tab_added_observer(
+      content::NOTIFICATION_LOAD_STOP,
+      content::NotificationService::AllSources());
   chrome::NewTab(browser());
+  tab_added_observer.Wait();
   ui_test_utils::NavigateToURL(browser(), base_url.Resolve("path1/empty.html"));
+
+  content::WindowedNotificationObserver tab_added_observer2(
+      content::NOTIFICATION_LOAD_STOP,
+      content::NotificationService::AllSources());
   chrome::NewTab(browser());
+  tab_added_observer2.Wait();
   // Wait until the second tab finishes its redirect train (2 hops).
   // 1. We navigate to redirect.html
   // 2. Renderer navigates and finishes, counting as a load stop.