Update defaults for InstantExtended.

chrome/browser/prerender/prerender_browsertest.cc

Index: chrome/browser/prerender/prerender_browsertest.cc
diff --git a/chrome/browser/prerender/prerender_browsertest.cc b/chrome/browser/prerender/prerender_browsertest.cc
index 94b03bfdaeb9149572f514462c3305b8c5456162..d22560a0bd5a8819578fe1c061e91ca7ef2b4818 100644
--- a/chrome/browser/prerender/prerender_browsertest.cc
+++ b/chrome/browser/prerender/prerender_browsertest.cc
@@ -2019,6 +2019,9 @@ IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderTaskManager) {
   // There should be no tabs with the Prerender prefix.
   const string16 tab_prefix =
       l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_TAB_PREFIX, string16());
+  const string16 instant_tab_prefix =
+      l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_INSTANT_OVERLAY_PREFIX,
+                                 string16());
   num_prerender_tabs = 0;
   int num_tabs_with_prerender_page_title = 0;
   model->Refresh();
@@ -2027,14 +2030,14 @@ IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderTaskManager) {
       string16 tab_title = model->GetResourceTitle(i);
       if (StartsWith(tab_title, prefix, true)) {
         ++num_prerender_tabs;
-      } else {
-        EXPECT_TRUE(StartsWith(tab_title, tab_prefix, true));
-
+      } else if (StartsWith(tab_title, tab_prefix, true)) {
         // The prerender tab should now be a normal tab but the title should be
         // the same. Depending on timing, there may be more than one of these.
         const string16 tab_page_title = tab_title.substr(tab_prefix.length());
         if (prerender_page_title.compare(tab_page_title) == 0)
           ++num_tabs_with_prerender_page_title;
+      } else {
+        EXPECT_TRUE(StartsWith(tab_title, instant_tab_prefix, true));
       }
     }
   }