Parametrize Suggest polling strategy and delay. Also add a parameter

chrome/browser/ui/search/instant_extended_interactive_uitest.cc

 // Copyright 2013 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 <sstream>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
@@ skipping 39 matching lines @@
 #include "chrome/test/base/interactive_test_utils.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "components/bookmarks/browser/bookmark_utils.h"
 #include "components/bookmarks/test/bookmark_test_helpers.h"
 #include "components/google/core/browser/google_url_tracker.h"
 #include "components/history/core/browser/history_types.h"
 #include "components/history/core/common/thumbnail_score.h"
 #include "components/omnibox/autocomplete_match.h"
 #include "components/omnibox/autocomplete_provider.h"
 #include "components/omnibox/autocomplete_result.h"
+#include "components/omnibox/omnibox_field_trial.h"
 #include "components/omnibox/search_provider.h"
 #include "components/search_engines/template_url_service.h"
 #include "components/sessions/serialized_navigation_entry.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/url_data_source.h"
@@ skipping 739 matching lines @@
   content::WindowedNotificationObserver new_tab_observer(
       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
       content::NotificationService::AllSources());
   ui_test_utils::NavigateToURLWithDisposition(
       browser(),
       GURL(chrome::kChromeUINewTabURL),
       CURRENT_TAB,
       ui_test_utils::BROWSER_TEST_NONE);
   new_tab_observer.Wait();
 
-  omnibox()->model()->autocomplete_controller()->search_provider()->
-      kMinimumTimeBetweenSuggestQueriesMs = 0;
+  OmniboxFieldTrial::kDefaultMinimumTimeBetweenSuggestQueriesMs = 0;
 
   // Set the fake response for search query.
   fake_factory()->SetFakeResponse(instant_url().Resolve("#q=flowers"),
                                   "",
                                   net::HTTP_OK,
                                   net::URLRequestStatus::SUCCESS);
 
   // Navigate to a search results page.
   content::WindowedNotificationObserver observer(
       chrome::NOTIFICATION_INSTANT_TAB_SUPPORT_DETERMINED,
@@ skipping 41 matching lines @@
   content::WindowedNotificationObserver new_tab_observer(
       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
       content::NotificationService::AllSources());
   ui_test_utils::NavigateToURLWithDisposition(
       browser(),
       GURL(chrome::kChromeUINewTabURL),
       CURRENT_TAB,
       ui_test_utils::BROWSER_TEST_NONE);
   new_tab_observer.Wait();
 
-  omnibox()->model()->autocomplete_controller()->search_provider()->
-      kMinimumTimeBetweenSuggestQueriesMs = 0;
+  OmniboxFieldTrial::kDefaultMinimumTimeBetweenSuggestQueriesMs = 0;
 
   // Set the fake response for search query.
   fake_factory()->SetFakeResponse(instant_url().Resolve("#q=flowers"),
                                   "",
                                   net::HTTP_OK,
                                   net::URLRequestStatus::SUCCESS);
 
   // Navigate to a search results page.
   content::WindowedNotificationObserver observer(
       chrome::NOTIFICATION_INSTANT_TAB_SUPPORT_DETERMINED,
@@ skipping 79 matching lines @@
   stream << "link.href = \"" << result_url.spec() << "\";";
   stream << "document.body.appendChild(link);";
   stream << "link.click();";
   EXPECT_TRUE(content::ExecuteScript(contents, stream.str()));
 
   content::WaitForLoadStop(contents);
   std::string expected_title =
       "Referrer is " + instant_url().GetWithEmptyPath().spec();
   EXPECT_EQ(ASCIIToUTF16(expected_title), contents->GetTitle());
 }