Reload Instant NTP and Instant-process tabs on search url change

chrome/browser/search/instant_unittest_base.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_SEARCH_INSTANT_UNITTEST_BASE_H_
+#define CHROME_BROWSER_SEARCH_INSTANT_UNITTEST_BASE_H_
+
+#include <string>
+
+#include "chrome/browser/search/instant_service.h"
+#include "chrome/browser/search_engines/template_url_service.h"
+#include "chrome/test/base/browser_with_test_window_test.h"
+
+class InstantServiceObserver;
+
+// This class provides an extension on top of BrowserWithTestWindowTest, and
+// adds some utility methods which can be useful for various unit tests for
+// Embedded Search / Instant implementation classes.
+class InstantUnitTestBase : public BrowserWithTestWindowTest {
+ protected:
+  virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
+
+  // Adds and sets the default search provider using the base_url.
+  // The base_url should have the http[s]:// prefix and a trailing / after the
+  // TLD.
+  // It will always use an instant-enabled configuration using a
+  // search_terms_replacement_key.
+  void SetDefaultSearchProvider(const std::string& base_url);
+
+  // Simulates a Google Base URL change as would happen in event of
+  // search-domain-check. Note that the GoogleURLTrackerFactory is disabled for
+  // tests, so this is required.
+  void NotifyGoogleBaseURLUpdate(const std::string& new_google_base_url);
+
+  bool IsInstantServiceObserver(InstantServiceObserver* observer);
+
+  InstantService* instant_service_;
+  TemplateURLService* template_url_service_;
+};
+
+#endif  // CHROME_BROWSER_SEARCH_INSTANT_UNITTEST_BASE_H_