Instant interactive_ui_tests should wait for main frame load.

chrome/browser/ui/search/instant_test_utils.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_SEARCH_INSTANT_TEST_UTILS_H_
 #define CHROME_BROWSER_UI_SEARCH_INSTANT_TEST_UTILS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 53 matching lines @@
 
   net::SpawnedTestServer& https_test_server() { return https_test_server_; }
 
   void KillInstantRenderView();
 
   void FocusOmnibox();
 
   void SetOmniboxText(const std::string& text);
 
   void PressEnterAndWaitForNavigation();
+  void PressEnterAndWaitForFrameLoad();
 
   bool GetBoolFromJS(content::WebContents* contents,
                      const std::string& script,
                      bool* result) WARN_UNUSED_RESULT;
   bool GetIntFromJS(content::WebContents* contents,
                     const std::string& script,
                     int* result) WARN_UNUSED_RESULT;
   bool GetStringFromJS(content::WebContents* contents,
                        const std::string& script,
                        std::string* result) WARN_UNUSED_RESULT;
@@ skipping 21 matching lines @@
   // HTTPS Testing server, started on demand.
   net::SpawnedTestServer https_test_server_;
 
   // Set to true to initialize suggestions URL in default search provider.
   bool init_suggestions_url_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantTestBase);
 };
 
 #endif  // CHROME_BROWSER_UI_SEARCH_INSTANT_TEST_UTILS_H_