src/chrome/browser/ui/search/search_tab_helper_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/search/search_tab_helper.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/metrics/field_trial.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "chrome/browser/prerender/prerender_manager.h"
  12 #include "chrome/browser/prerender/prerender_manager_factory.h"
  13 #include "chrome/browser/search/instant_unittest_base.h"
  14 #include "chrome/browser/search/search.h"
  15 #include "chrome/browser/search_engines/template_url_service_factory.h"
  16 #include "chrome/browser/signin/fake_signin_manager.h"
  17 #include "chrome/browser/signin/signin_manager_factory.h"
  18 #include "chrome/browser/sync/profile_sync_service.h"
  19 #include "chrome/browser/sync/profile_sync_service_factory.h"
  20 #include "chrome/browser/sync/profile_sync_service_mock.h"
  21 #include "chrome/browser/ui/search/search_ipc_router.h"
  22 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  23 #include "chrome/common/chrome_switches.h"
  24 #include "chrome/common/ntp_logging_events.h"
  25 #include "chrome/common/omnibox_focus_state.h"
  26 #include "chrome/common/render_messages.h"
  27 #include "chrome/common/url_constants.h"
  28 #include "chrome/grit/generated_resources.h"
  29 #include "chrome/test/base/browser_with_test_window_test.h"
  30 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
  31 #include "chrome/test/base/testing_profile.h"
  32 #include "chrome/test/base/ui_test_utils.h"
  33 #include "components/search_engines/template_url_service.h"
  34 #include "content/public/browser/navigation_controller.h"
  35 #include "content/public/browser/navigation_entry.h"
  36 #include "content/public/browser/web_contents.h"
  37 #include "content/public/test/mock_render_process_host.h"
  38 #include "ipc/ipc_message.h"
  39 #include "ipc/ipc_test_sink.h"
  40 #include "net/base/net_errors.h"
  41 #include "testing/gmock/include/gmock/gmock.h"
  42 #include "testing/gtest/include/gtest/gtest.h"
  43 #include "ui/base/l10n/l10n_util.h"
  44 #include "url/gurl.h"
  45
  46 class OmniboxView;
  47
  48 using testing::Return;
  49
  50 namespace {
  51
  52 class MockSearchIPCRouterDelegate : public SearchIPCRouter::Delegate {
  53  public:
  54   virtual ~MockSearchIPCRouterDelegate() {}
  55
  56   MOCK_METHOD1(OnInstantSupportDetermined, void(bool supports_instant));
  57   MOCK_METHOD1(OnSetVoiceSearchSupport, void(bool supports_voice_search));
  58   MOCK_METHOD1(FocusOmnibox, void(OmniboxFocusState state));
  59   MOCK_METHOD3(NavigateToURL, void(const GURL&, WindowOpenDisposition, bool));
  60   MOCK_METHOD1(OnDeleteMostVisitedItem, void(const GURL& url));
  61   MOCK_METHOD1(OnUndoMostVisitedDeletion, void(const GURL& url));
  62   MOCK_METHOD0(OnUndoAllMostVisitedDeletions, void());
  63   MOCK_METHOD1(OnLogEvent, void(NTPLoggingEventType event));
  64   MOCK_METHOD2(OnLogMostVisitedImpression,
  65                void(int position, const base::string16& provider));
  66   MOCK_METHOD2(OnLogMostVisitedNavigation,
  67                void(int position, const base::string16& provider));
  68   MOCK_METHOD1(PasteIntoOmnibox, void(const base::string16&));
  69   MOCK_METHOD1(OnChromeIdentityCheck, void(const base::string16& identity));
  70 };
  71
  72 }  // namespace
  73
  74 class SearchTabHelperTest : public ChromeRenderViewHostTestHarness {
  75  public:
  76   virtual void SetUp() {
  77     ChromeRenderViewHostTestHarness::SetUp();
  78     SearchTabHelper::CreateForWebContents(web_contents());
  79   }
  80
  81   virtual content::BrowserContext* CreateBrowserContext() OVERRIDE {
  82     TestingProfile::Builder builder;
  83     builder.AddTestingFactory(SigninManagerFactory::GetInstance(),
  84                               FakeSigninManagerBase::Build);
  85     builder.AddTestingFactory(
  86         ProfileSyncServiceFactory::GetInstance(),
  87         ProfileSyncServiceMock::BuildMockProfileSyncService);
  88     return builder.Build().release();
  89   }
  90
  91   // Creates a sign-in manager for tests.  If |username| is not empty, the
  92   // testing profile of the WebContents will be connected to the given account.
  93   // The account can be configured to |sync_history| or not.
  94   void CreateSigninManager(const std::string& username, bool sync_history) {
  95     SigninManagerBase* signin_manager = static_cast<SigninManagerBase*>(
  96         SigninManagerFactory::GetForProfile(profile()));
  97
  98     if (!username.empty()) {
  99       ASSERT_TRUE(signin_manager);
 100       signin_manager->SetAuthenticatedUsername(username);
 101     }
 102
 103     ProfileSyncServiceMock* sync_service = static_cast<ProfileSyncServiceMock*>(
 104         ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile()));
 105
 106     EXPECT_CALL(*sync_service, sync_initialized()).WillRepeatedly(Return(true));
 107     syncer::ModelTypeSet result;
 108     if (sync_history) {
 109       result.Put(syncer::HISTORY_DELETE_DIRECTIVES);
 110     }
 111     EXPECT_CALL(*sync_service, GetActiveDataTypes())
 112         .WillRepeatedly(Return(result));
 113   }
 114
 115   bool MessageWasSent(uint32 id) {
 116     return process()->sink().GetFirstMessageMatching(id) != NULL;
 117   }
 118
 119   MockSearchIPCRouterDelegate* mock_delegate() { return &delegate_; }
 120
 121  private:
 122   MockSearchIPCRouterDelegate delegate_;
 123 };
 124
 125 TEST_F(SearchTabHelperTest, DetermineIfPageSupportsInstant_Local) {
 126   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
 127   EXPECT_CALL(*mock_delegate(), OnInstantSupportDetermined(true)).Times(0);
 128
 129   SearchTabHelper* search_tab_helper =
 130       SearchTabHelper::FromWebContents(web_contents());
 131   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 132   search_tab_helper->ipc_router().set_delegate_for_testing(mock_delegate());
 133   search_tab_helper->DetermineIfPageSupportsInstant();
 134 }
 135
 136 TEST_F(SearchTabHelperTest, DetermineIfPageSupportsInstant_NonLocal) {
 137   NavigateAndCommit(GURL("chrome-search://foo/bar"));
 138   process()->sink().ClearMessages();
 139   EXPECT_CALL(*mock_delegate(), OnInstantSupportDetermined(true)).Times(1);
 140
 141   SearchTabHelper* search_tab_helper =
 142       SearchTabHelper::FromWebContents(web_contents());
 143   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 144   search_tab_helper->ipc_router().set_delegate_for_testing(mock_delegate());
 145   search_tab_helper->DetermineIfPageSupportsInstant();
 146   ASSERT_TRUE(MessageWasSent(ChromeViewMsg_DetermineIfPageSupportsInstant::ID));
 147
 148   scoped_ptr<IPC::Message> response(
 149       new ChromeViewHostMsg_InstantSupportDetermined(
 150           web_contents()->GetRoutingID(),
 151           search_tab_helper->ipc_router().page_seq_no_for_testing(),
 152           true));
 153   search_tab_helper->ipc_router().OnMessageReceived(*response);
 154 }
 155
 156 TEST_F(SearchTabHelperTest, PageURLDoesntBelongToInstantRenderer) {
 157   // Navigate to a page URL that doesn't belong to Instant renderer.
 158   // SearchTabHelper::DeterminerIfPageSupportsInstant() should return
 159   // immediately without dispatching any message to the renderer.
 160   NavigateAndCommit(GURL("http://www.example.com"));
 161   process()->sink().ClearMessages();
 162   EXPECT_CALL(*mock_delegate(), OnInstantSupportDetermined(false)).Times(0);
 163
 164   SearchTabHelper* search_tab_helper =
 165       SearchTabHelper::FromWebContents(web_contents());
 166   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 167   search_tab_helper->ipc_router().set_delegate_for_testing(mock_delegate());
 168   search_tab_helper->DetermineIfPageSupportsInstant();
 169   ASSERT_FALSE(MessageWasSent(
 170       ChromeViewMsg_DetermineIfPageSupportsInstant::ID));
 171 }
 172
 173 TEST_F(SearchTabHelperTest, OnChromeIdentityCheckMatch) {
 174   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
 175   CreateSigninManager(std::string("foo@bar.com"), true);
 176   SearchTabHelper* search_tab_helper =
 177       SearchTabHelper::FromWebContents(web_contents());
 178   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 179
 180   const base::string16 test_identity = base::ASCIIToUTF16("foo@bar.com");
 181   search_tab_helper->OnChromeIdentityCheck(test_identity);
 182
 183   const IPC::Message* message = process()->sink().GetUniqueMessageMatching(
 184       ChromeViewMsg_ChromeIdentityCheckResult::ID);
 185   ASSERT_TRUE(message != NULL);
 186
 187   ChromeViewMsg_ChromeIdentityCheckResult::Param params;
 188   ChromeViewMsg_ChromeIdentityCheckResult::Read(message, &params);
 189   EXPECT_EQ(test_identity, params.a);
 190   ASSERT_TRUE(params.b);
 191 }
 192
 193 TEST_F(SearchTabHelperTest, OnChromeIdentityCheckMismatch) {
 194   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
 195   CreateSigninManager(std::string("foo@bar.com"), true);
 196   SearchTabHelper* search_tab_helper =
 197       SearchTabHelper::FromWebContents(web_contents());
 198   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 199
 200   const base::string16 test_identity = base::ASCIIToUTF16("bar@foo.com");
 201   search_tab_helper->OnChromeIdentityCheck(test_identity);
 202
 203   const IPC::Message* message = process()->sink().GetUniqueMessageMatching(
 204       ChromeViewMsg_ChromeIdentityCheckResult::ID);
 205   ASSERT_TRUE(message != NULL);
 206
 207   ChromeViewMsg_ChromeIdentityCheckResult::Param params;
 208   ChromeViewMsg_ChromeIdentityCheckResult::Read(message, &params);
 209   EXPECT_EQ(test_identity, params.a);
 210   ASSERT_FALSE(params.b);
 211 }
 212
 213 TEST_F(SearchTabHelperTest, OnChromeIdentityCheckSignedOutMatch) {
 214   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
 215   // This test does not sign in.
 216   ProfileSyncServiceMock* sync_service = static_cast<ProfileSyncServiceMock*>(
 217       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile()));
 218   EXPECT_CALL(*sync_service, sync_initialized()).WillRepeatedly(Return(false));
 219   SearchTabHelper* search_tab_helper =
 220       SearchTabHelper::FromWebContents(web_contents());
 221   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 222
 223   const base::string16 test_identity;
 224   search_tab_helper->OnChromeIdentityCheck(test_identity);
 225
 226   const IPC::Message* message = process()->sink().GetUniqueMessageMatching(
 227       ChromeViewMsg_ChromeIdentityCheckResult::ID);
 228   ASSERT_TRUE(message != NULL);
 229
 230   ChromeViewMsg_ChromeIdentityCheckResult::Param params;
 231   ChromeViewMsg_ChromeIdentityCheckResult::Read(message, &params);
 232   EXPECT_EQ(test_identity, params.a);
 233   ASSERT_FALSE(params.b);
 234 }
 235
 236 TEST_F(SearchTabHelperTest, OnChromeIdentityCheckSignedOutMismatch) {
 237   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
 238   // This test does not sign in.
 239   ProfileSyncServiceMock* sync_service = static_cast<ProfileSyncServiceMock*>(
 240       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile()));
 241   EXPECT_CALL(*sync_service, sync_initialized()).WillRepeatedly(Return(false));
 242   SearchTabHelper* search_tab_helper =
 243       SearchTabHelper::FromWebContents(web_contents());
 244   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 245
 246   const base::string16 test_identity = base::ASCIIToUTF16("bar@foo.com");
 247   search_tab_helper->OnChromeIdentityCheck(test_identity);
 248
 249   const IPC::Message* message = process()->sink().GetUniqueMessageMatching(
 250       ChromeViewMsg_ChromeIdentityCheckResult::ID);
 251   ASSERT_TRUE(message != NULL);
 252
 253   ChromeViewMsg_ChromeIdentityCheckResult::Param params;
 254   ChromeViewMsg_ChromeIdentityCheckResult::Read(message, &params);
 255   EXPECT_EQ(test_identity, params.a);
 256   ASSERT_FALSE(params.b);
 257 }
 258
 259 TEST_F(SearchTabHelperTest, OnChromeIdentityCheckMatchNotSyncing) {
 260   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
 261   CreateSigninManager(std::string("foo@bar.com"), false);
 262   SearchTabHelper* search_tab_helper =
 263       SearchTabHelper::FromWebContents(web_contents());
 264   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 265
 266   const base::string16 test_identity = base::ASCIIToUTF16("foo@bar.com");
 267   search_tab_helper->OnChromeIdentityCheck(test_identity);
 268
 269   const IPC::Message* message = process()->sink().GetUniqueMessageMatching(
 270       ChromeViewMsg_ChromeIdentityCheckResult::ID);
 271   ASSERT_TRUE(message != NULL);
 272
 273   ChromeViewMsg_ChromeIdentityCheckResult::Param params;
 274   ChromeViewMsg_ChromeIdentityCheckResult::Read(message, &params);
 275   EXPECT_EQ(test_identity, params.a);
 276   ASSERT_FALSE(params.b);
 277 }
 278
 279 class TabTitleObserver : public content::WebContentsObserver {
 280  public:
 281   explicit TabTitleObserver(content::WebContents* contents)
 282       : WebContentsObserver(contents) {}
 283
 284   base::string16 title_on_start() { return title_on_start_; }
 285   base::string16 title_on_commit() { return title_on_commit_; }
 286
 287  private:
 288   virtual void DidStartProvisionalLoadForFrame(
 289       content::RenderFrameHost* /* render_frame_host */,
 290       const GURL& /* validated_url */,
 291       bool /* is_error_page */,
 292       bool /* is_iframe_srcdoc */) OVERRIDE {
 293     title_on_start_ = web_contents()->GetTitle();
 294   }
 295
 296   virtual void DidNavigateMainFrame(
 297       const content::LoadCommittedDetails& /* details */,
 298       const content::FrameNavigateParams& /* params */) OVERRIDE {
 299     title_on_commit_ = web_contents()->GetTitle();
 300   }
 301
 302   base::string16 title_on_start_;
 303   base::string16 title_on_commit_;
 304 };
 305
 306 TEST_F(SearchTabHelperTest, TitleIsSetForNTP) {
 307   TabTitleObserver title_observer(web_contents());
 308   NavigateAndCommit(GURL(chrome::kChromeUINewTabURL));
 309   const base::string16 title = l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE);
 310   EXPECT_EQ(title, title_observer.title_on_start());
 311   EXPECT_EQ(title, title_observer.title_on_commit());
 312   EXPECT_EQ(title, web_contents()->GetTitle());
 313 }
 314
 315 class SearchTabHelperWindowTest : public BrowserWithTestWindowTest {
 316  protected:
 317   virtual void SetUp() OVERRIDE {
 318     BrowserWithTestWindowTest::SetUp();
 319     TemplateURLServiceFactory::GetInstance()->SetTestingFactoryAndUse(
 320         profile(), &TemplateURLServiceFactory::BuildInstanceFor);
 321     TemplateURLService* template_url_service =
 322         TemplateURLServiceFactory::GetForProfile(profile());
 323     ui_test_utils::WaitForTemplateURLServiceToLoad(template_url_service);
 324
 325     TemplateURLData data;
 326     data.SetURL("http://foo.com/url?bar={searchTerms}");
 327     data.instant_url = "http://foo.com/instant?"
 328         "{google:omniboxStartMarginParameter}{google:forceInstantResults}"
 329         "foo=foo#foo=foo&strk";
 330     data.new_tab_url = std::string("https://foo.com/newtab?strk");
 331     data.alternate_urls.push_back("http://foo.com/alt#quux={searchTerms}");
 332     data.search_terms_replacement_key = "strk";
 333
 334     TemplateURL* template_url = new TemplateURL(data);
 335     template_url_service->Add(template_url);
 336     template_url_service->SetUserSelectedDefaultSearchProvider(template_url);
 337   }
 338 };
 339
 340 TEST_F(SearchTabHelperWindowTest, OnProvisionalLoadFailRedirectNTPToLocal) {
 341   AddTab(browser(), GURL(chrome::kChromeUINewTabURL));
 342   content::WebContents* contents =
 343         browser()->tab_strip_model()->GetWebContentsAt(0);
 344   content::NavigationController* controller = &contents->GetController();
 345
 346   SearchTabHelper* search_tab_helper =
 347       SearchTabHelper::FromWebContents(contents);
 348   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 349
 350   // A failed provisional load of a cacheable NTP should be redirected to local
 351   // NTP.
 352   const GURL cacheableNTPURL = chrome::GetNewTabPageURL(profile());
 353   search_tab_helper->DidFailProvisionalLoad(
 354       contents->GetMainFrame(), cacheableNTPURL, 1, base::string16());
 355   CommitPendingLoad(controller);
 356   EXPECT_EQ(GURL(chrome::kChromeSearchLocalNtpUrl),
 357                  controller->GetLastCommittedEntry()->GetURL());
 358 }
 359
 360 TEST_F(SearchTabHelperWindowTest, OnProvisionalLoadFailDontRedirectIfAborted) {
 361   AddTab(browser(), GURL("chrome://blank"));
 362   content::WebContents* contents =
 363         browser()->tab_strip_model()->GetWebContentsAt(0);
 364   content::NavigationController* controller = &contents->GetController();
 365
 366   SearchTabHelper* search_tab_helper =
 367       SearchTabHelper::FromWebContents(contents);
 368   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 369
 370   // A failed provisional load of a cacheable NTP should be redirected to local
 371   // NTP.
 372   const GURL cacheableNTPURL = chrome::GetNewTabPageURL(profile());
 373   search_tab_helper->DidFailProvisionalLoad(contents->GetMainFrame(),
 374                                             cacheableNTPURL,
 375                                             net::ERR_ABORTED,
 376                                             base::string16());
 377   CommitPendingLoad(controller);
 378   EXPECT_EQ(GURL("chrome://blank"),
 379                  controller->GetLastCommittedEntry()->GetURL());
 380 }
 381
 382 TEST_F(SearchTabHelperWindowTest, OnProvisionalLoadFailDontRedirectNonNTP) {
 383   AddTab(browser(), GURL(chrome::kChromeUINewTabURL));
 384   content::WebContents* contents =
 385         browser()->tab_strip_model()->GetWebContentsAt(0);
 386   content::NavigationController* controller = &contents->GetController();
 387
 388   SearchTabHelper* search_tab_helper =
 389       SearchTabHelper::FromWebContents(contents);
 390   ASSERT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
 391
 392   // Any other web page shouldn't be redirected when provisional load fails.
 393   search_tab_helper->DidFailProvisionalLoad(contents->GetMainFrame(),
 394                                             GURL("http://www.example.com"),
 395                                             1,
 396                                             base::string16());
 397   CommitPendingLoad(controller);
 398   EXPECT_NE(GURL(chrome::kChromeSearchLocalNtpUrl),
 399                  controller->GetLastCommittedEntry()->GetURL());
 400 }
 401
 402 class SearchTabHelperPrerenderTest : public InstantUnitTestBase {
 403  public:
 404   virtual ~SearchTabHelperPrerenderTest() {}
 405
 406  protected:
 407   virtual void SetUp() OVERRIDE {
 408     ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial(
 409         "EmbeddedSearch",
 410         "Group1 espv:89 prefetch_results:1 "
 411         "prerender_instant_url_on_omnibox_focus:1"));
 412     InstantUnitTestBase::SetUp();
 413
 414     AddTab(browser(), GURL(chrome::kChromeUINewTabURL));
 415     prerender::PrerenderManagerFactory::GetForProfile(browser()->profile())->
 416         OnCookieStoreLoaded();
 417     SearchTabHelper::FromWebContents(web_contents())->set_omnibox_has_focus_fn(
 418         omnibox_has_focus);
 419     SearchTabHelperPrerenderTest::omnibox_has_focus_ = true;
 420   }
 421
 422   content::WebContents* web_contents() {
 423     return browser()->tab_strip_model()->GetActiveWebContents();
 424   }
 425
 426   bool IsInstantURLMarkedForPrerendering() {
 427     GURL instant_url(chrome::GetSearchResultPrefetchBaseURL(profile()));
 428     prerender::PrerenderManager* prerender_manager =
 429         prerender::PrerenderManagerFactory::GetForProfile(profile());
 430     return prerender_manager->HasPrerenderedUrl(instant_url, web_contents());
 431   }
 432
 433   static bool omnibox_has_focus(OmniboxView* omnibox) {
 434     return omnibox_has_focus_;
 435   }
 436
 437   static bool omnibox_has_focus_;
 438 };
 439
 440 bool SearchTabHelperPrerenderTest::omnibox_has_focus_ = true;
 441
 442 TEST_F(SearchTabHelperPrerenderTest, OnOmniboxFocusPrerenderInstantURL) {
 443   SearchTabHelper* search_tab_helper =
 444       SearchTabHelper::FromWebContents(web_contents());
 445   search_tab_helper->OmniboxFocusChanged(OMNIBOX_FOCUS_VISIBLE,
 446                                          OMNIBOX_FOCUS_CHANGE_EXPLICIT);
 447   ASSERT_TRUE(IsInstantURLMarkedForPrerendering());
 448   search_tab_helper->OmniboxFocusChanged(OMNIBOX_FOCUS_NONE,
 449                                          OMNIBOX_FOCUS_CHANGE_EXPLICIT);
 450   ASSERT_FALSE(IsInstantURLMarkedForPrerendering());
 451 }
 452
 453 TEST_F(SearchTabHelperPrerenderTest, OnTabActivatedPrerenderInstantURL) {
 454   SearchTabHelper* search_tab_helper =
 455       SearchTabHelper::FromWebContents(web_contents());
 456   search_tab_helper->OnTabActivated();
 457   ASSERT_TRUE(IsInstantURLMarkedForPrerendering());
 458 }
 459
 460 TEST_F(SearchTabHelperPrerenderTest,
 461     OnTabActivatedNoPrerenderIfOmniboxBlurred) {
 462   SearchTabHelperPrerenderTest::omnibox_has_focus_ = false;
 463   SearchTabHelper* search_tab_helper =
 464       SearchTabHelper::FromWebContents(web_contents());
 465   search_tab_helper->OnTabActivated();
 466   ASSERT_FALSE(IsInstantURLMarkedForPrerendering());
 467 }