Omnibox: Prevent Asynchronous Suggestions from Changing Default Match

chrome/browser/ui/search/instant_extended_interactive_uitest.cc

Index: chrome/browser/ui/search/instant_extended_interactive_uitest.cc
diff --git a/chrome/browser/ui/search/instant_extended_interactive_uitest.cc b/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
index a3f8867c160b78d186a5eebca220ea2585f25a72..fb9bbc40a2175d22fda97112bcfe2dddc82cf32c 100644
--- a/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
+++ b/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
@@ -834,17 +834,19 @@ IN_PROC_BROWSER_TEST_F(InstantExtendedPrefetchTest, SetPrefetchQuery) {
   observer.Wait();
 
   // Set the fake response for suggest request. Response has prefetch details.
-  // Ensure that the page received the prefetch query.
+  // Ensure that the page received the suggest response, then add another
+  // keystroke to allow the asynchronously-received inline autocomplete
+  // suggestion to actually be inlined (which in turn triggers it to prefetch).
   fake_factory()->SetFakeResponse(
-      instant_url().Resolve("#q=pupp"),
-      "[\"pupp\",[\"puppy\", \"puppies\"],[],[],"
+      instant_url().Resolve("#q=pup"),
+      "[\"pup\",[\"puppy\", \"puppies\"],[],[],"
       "{\"google:clientdata\":{\"phi\": 0},"
           "\"google:suggesttype\":[\"QUERY\", \"QUERY\"],"
           "\"google:suggestrelevance\":[1400, 9]}]",
       net::HTTP_OK,
       net::URLRequestStatus::SUCCESS);
 
-  SetOmniboxText("pupp");
+  SetOmniboxText("pup");
   while (!omnibox()->model()->autocomplete_controller()->done()) {
     content::WindowedNotificationObserver ready_observer(
         chrome::NOTIFICATION_AUTOCOMPLETE_CONTROLLER_RESULT_READY,
@@ -852,6 +854,7 @@ IN_PROC_BROWSER_TEST_F(InstantExtendedPrefetchTest, SetPrefetchQuery) {
             omnibox()->model()->autocomplete_controller()));
     ready_observer.Wait();
   }
+  SetOmniboxText("pupp");
 
   ASSERT_EQ(3, CountSearchProviderSuggestions());
   content::WebContents* active_tab =