Add 'Updated just now' timestamp to the Previews infobar

chrome/browser/previews/previews_infobar_delegate_unittest.cc

 // Copyright 2016 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 "chrome/browser/previews/previews_infobar_delegate.h"
 
 #include <map>
 #include <memory>
 #include <string>
 
@@ skipping 153 matching lines @@
   }
 
   void TearDown() override {
     drp_test_context_->DestroySettings();
     ChromeRenderViewHostTestHarness::TearDown();
     TestingBrowserProcess::GetGlobal()->SetLocalState(nullptr);
   }
 
   PreviewsInfoBarDelegate* CreateInfoBar(previews::PreviewsType type,
                                          base::Time previews_freshness,
-                                         bool is_data_saver_user) {
+                                         bool is_data_saver_user,
+                                         bool is_reload) {
     PreviewsInfoBarDelegate::Create(
-        web_contents(), type, previews_freshness, is_data_saver_user,
+        web_contents(), type, previews_freshness, is_data_saver_user, is_reload,
         base::Bind(&PreviewsInfoBarDelegateUnitTest::OnDismissPreviewsInfobar,
                    base::Unretained(this)));
 
     InfoBarService* infobar_service =
         InfoBarService::FromWebContents(web_contents());
     EXPECT_EQ(1U, infobar_service->infobar_count());
 
     return static_cast<PreviewsInfoBarDelegate*>(
         infobar_service->infobar_at(0)->delegate());
   }
@@ skipping 13 matching lines @@
 
     std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
     feature_list->RegisterFieldTrialOverride(
         previews::features::kStalePreviewsTimestamp.name,
         base::FeatureList::OVERRIDE_ENABLE_FEATURE, field_trial);
     scoped_feature_list_.InitWithFeatureList(std::move(feature_list));
   }
 
   void TestStalePreviews(
       int staleness_in_minutes,
+      bool is_reload,
       base::string16 expected_timestamp,
       PreviewsInfoBarDelegate::PreviewsInfoBarTimestamp expected_bucket) {
     PreviewsInfoBarDelegate* infobar = CreateInfoBar(
         previews::PreviewsType::LITE_PAGE,
         base::Time::Now() - base::TimeDelta::FromMinutes(staleness_in_minutes),
-        true /* is_data_saver_user */);
+        true /* is_data_saver_user */, is_reload);
     EXPECT_EQ(expected_timestamp, infobar->GetTimestampText());
     tester_->ExpectBucketCount(kUMAPreviewsInfoBarTimestamp, expected_bucket,
                                1);
     // Dismiss the infobar.
     InfoBarService::FromWebContents(web_contents())->RemoveAllInfoBars(false);
     PreviewsInfoBarTabHelper::FromWebContents(web_contents())
         ->set_displayed_preview_infobar(false);
   }
 
   void OnDismissPreviewsInfobar(bool user_opt_out) {
     user_opt_out_ = user_opt_out;
   }
 
   InfoBarService* infobar_service() {
     return InfoBarService::FromWebContents(web_contents());
   }
 
   std::unique_ptr<data_reduction_proxy::DataReductionProxyTestContext>
       drp_test_context_;
 
   base::Optional<bool> user_opt_out_;
   std::unique_ptr<base::FieldTrialList> field_trial_list_;
   base::test::ScopedFeatureList scoped_feature_list_;
   std::unique_ptr<base::HistogramTester> tester_;
 };
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestNavigationDismissal) {
   CreateInfoBar(previews::PreviewsType::LOFI, base::Time(),
-                true /* is_data_saver_user */);
+                true /* is_data_saver_user */, false /* is_reload */);
 
   // Try showing a second infobar. Another should not be shown since the page
   // has not navigated.
   PreviewsInfoBarDelegate::Create(
       web_contents(), previews::PreviewsType::LOFI,
       base::Time() /* previews_freshness */, true /* is_data_saver_user */,
+      false /* is_reload */,
       PreviewsInfoBarDelegate::OnDismissPreviewsInfobarCallback());
   EXPECT_EQ(1U, infobar_service()->infobar_count());
 
   // Navigate and make sure the infobar is dismissed.
   NavigateAndCommit(GURL(kTestUrl));
   EXPECT_EQ(0U, infobar_service()->infobar_count());
   EXPECT_FALSE(user_opt_out_.value());
 
   tester_->ExpectBucketCount(
       kUMAPreviewsInfoBarActionLoFi,
       PreviewsInfoBarDelegate::INFOBAR_DISMISSED_BY_NAVIGATION, 1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestReloadDismissal) {
   // Navigate to test URL, so we can reload later.
   NavigateAndCommit(GURL(kTestUrl));
 
   CreateInfoBar(previews::PreviewsType::LOFI, base::Time(),
-                true /* is_data_saver_user */);
+                true /* is_data_saver_user */, false /* is_reload */);
 
   // Try showing a second infobar. Another should not be shown since the page
   // has not navigated.
   PreviewsInfoBarDelegate::Create(
       web_contents(), previews::PreviewsType::LOFI,
       base::Time() /* previews_freshness */, true /* is_data_saver_user */,
+      false /* is_reload */,
       PreviewsInfoBarDelegate::OnDismissPreviewsInfobarCallback());
   EXPECT_EQ(1U, infobar_service()->infobar_count());
 
   // Navigate to test URL as a reload to dismiss the infobar.
   controller().LoadURL(GURL(kTestUrl), content::Referrer(),
                        ui::PAGE_TRANSITION_RELOAD, std::string());
   content::WebContentsTester::For(web_contents())->CommitPendingNavigation();
 
   EXPECT_EQ(0U, infobar_service()->infobar_count());
   EXPECT_FALSE(user_opt_out_.value());
 
   tester_->ExpectBucketCount(
       kUMAPreviewsInfoBarActionLoFi,
       PreviewsInfoBarDelegate::INFOBAR_DISMISSED_BY_RELOAD, 1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
 
   auto* data_reduction_proxy_settings =
       DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
           web_contents()->GetBrowserContext());
 
   EXPECT_EQ(0u, data_reduction_proxy_settings->data_reduction_proxy_service()
                     ->pingback_client()
                     ->OptOutsSizeForTesting());
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestUserDismissal) {
   ConfirmInfoBarDelegate* infobar =
       CreateInfoBar(previews::PreviewsType::LOFI, base::Time(),
-                    true /* is_data_saver_user */);
+                    true /* is_data_saver_user */, false /* is_reload */);
 
   // Simulate dismissing the infobar.
   infobar->InfoBarDismissed();
   infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   tester_->ExpectBucketCount(kUMAPreviewsInfoBarActionLoFi,
                              PreviewsInfoBarDelegate::INFOBAR_DISMISSED_BY_USER,
                              1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
   EXPECT_FALSE(user_opt_out_.value());
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestTabClosedDismissal) {
   CreateInfoBar(previews::PreviewsType::LOFI, base::Time(),
-                true /* is_data_saver_user */);
+                true /* is_data_saver_user */, false /* is_reload */);
 
   // Delete the infobar without any other infobar actions.
   infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   tester_->ExpectBucketCount(
       kUMAPreviewsInfoBarActionLoFi,
       PreviewsInfoBarDelegate::INFOBAR_DISMISSED_BY_TAB_CLOSURE, 1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
@@ skipping 16 matching lines @@
       base::FieldTrialList::CreateFieldTrial(
           "DataReductionProxyPreviewsBlackListTransition", "Enabled_");
     }
 
     // Call Reload and CommitPendingNavigation to force DidFinishNavigation.
     web_contents()->GetController().Reload(content::ReloadType::NORMAL, true);
     content::WebContentsTester::For(web_contents())->CommitPendingNavigation();
 
     ConfirmInfoBarDelegate* infobar =
         CreateInfoBar(previews::PreviewsType::LOFI, base::Time(),
-                      true /* is_data_saver_user */);
+                      true /* is_data_saver_user */, false /* is_reload */);
 
     // Simulate clicking the infobar link.
     if (infobar->LinkClicked(WindowOpenDisposition::CURRENT_TAB))
       infobar_service()->infobar_at(0)->RemoveSelf();
     EXPECT_EQ(0U, infobar_service()->infobar_count());
 
     tester_->ExpectBucketCount(
         kUMAPreviewsInfoBarActionLoFi,
         PreviewsInfoBarDelegate::INFOBAR_LOAD_ORIGINAL_CLICKED, 1);
     EXPECT_EQ(test.using_previews_blacklist ? 0 : 1,
               drp_test_context_->pref_service()->GetInteger(
                   data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
     EXPECT_TRUE(user_opt_out_.value());
 
     auto* data_reduction_proxy_settings =
         DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
             web_contents()->GetBrowserContext());
     EXPECT_EQ(1u, data_reduction_proxy_settings->data_reduction_proxy_service()
                       ->pingback_client()
                       ->OptOutsSizeForTesting());
   }
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestClickLinkLitePage) {
   NavigateAndCommit(GURL(kTestUrl));
 
   ConfirmInfoBarDelegate* infobar =
       CreateInfoBar(previews::PreviewsType::LITE_PAGE, base::Time(),
-                    true /* is_data_saver_user */);
+                    true /* is_data_saver_user */, false /* is_reload */);
 
   // Simulate clicking the infobar link.
   if (infobar->LinkClicked(WindowOpenDisposition::CURRENT_TAB))
     infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   tester_->ExpectBucketCount(
       kUMAPreviewsInfoBarActionLitePage,
       PreviewsInfoBarDelegate::INFOBAR_LOAD_ORIGINAL_CLICKED, 1);
 
   content::WebContentsTester::For(web_contents())->CommitPendingNavigation();
 
   EXPECT_EQ(content::ReloadType::DISABLE_LOFI_MODE,
             TestPreviewsWebContentsObserver::FromWebContents(web_contents())
                 ->last_navigation_reload_type());
 
   auto* data_reduction_proxy_settings =
       DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
           web_contents()->GetBrowserContext());
 
   EXPECT_EQ(1u, data_reduction_proxy_settings->data_reduction_proxy_service()
                     ->pingback_client()
                     ->OptOutsSizeForTesting());
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestShownOncePerNavigation) {
   ConfirmInfoBarDelegate* infobar =
       CreateInfoBar(previews::PreviewsType::LOFI, base::Time(),
-                    true /* is_data_saver_user */);
+                    true /* is_data_saver_user */, false /* is_reload */);
 
   // Simulate dismissing the infobar.
   infobar->InfoBarDismissed();
   infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   PreviewsInfoBarDelegate::Create(
       web_contents(), previews::PreviewsType::LOFI,
       base::Time() /* previews_freshness */, true /* is_data_saver_user */,
+      false /* is_reload */,
       PreviewsInfoBarDelegate::OnDismissPreviewsInfobarCallback());
 
   // Infobar should not be shown again since a navigation hasn't happened.
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   // Navigate and show infobar again.
   NavigateAndCommit(GURL(kTestUrl));
   CreateInfoBar(previews::PreviewsType::LOFI, base::Time(),
-                true /* is_data_saver_user */);
+                true /* is_data_saver_user */, false /* is_reload */);
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, LoFiInfobarTest) {
   ConfirmInfoBarDelegate* infobar =
       CreateInfoBar(previews::PreviewsType::LOFI, base::Time(),
-                    true /* is_data_saver_user */);
+                    true /* is_data_saver_user */, false /* is_reload */);
 
   tester_->ExpectUniqueSample(kUMAPreviewsInfoBarActionLoFi,
                               PreviewsInfoBarDelegate::INFOBAR_SHOWN, 1);
   EXPECT_EQ(1, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiUIShownPerSession));
 
   ASSERT_TRUE(infobar);
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_SAVED_DATA_TITLE),
             infobar->GetMessageText());
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_LINK),
             infobar->GetLinkText());
 #if defined(OS_ANDROID)
   ASSERT_EQ(IDR_ANDROID_INFOBAR_PREVIEWS, infobar->GetIconId());
 #else
   ASSERT_EQ(PreviewsInfoBarDelegate::kNoIconID, infobar->GetIconId());
 #endif
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, PreviewInfobarTest) {
   PreviewsInfoBarDelegate* infobar =
       CreateInfoBar(previews::PreviewsType::LITE_PAGE, base::Time(),
-                    true /* is_data_saver_user */);
+                    true /* is_data_saver_user */, false /* is_reload */);
 
   tester_->ExpectUniqueSample(kUMAPreviewsInfoBarActionLitePage,
                               PreviewsInfoBarDelegate::INFOBAR_SHOWN, 1);
   EXPECT_EQ(1, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiUIShownPerSession));
 
   // Check the strings.
   ASSERT_TRUE(infobar);
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_SAVED_DATA_TITLE),
             infobar->GetMessageText());
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_LINK),
             infobar->GetLinkText());
   ASSERT_EQ(base::string16(), infobar->GetTimestampText());
 #if defined(OS_ANDROID)
   ASSERT_EQ(IDR_ANDROID_INFOBAR_PREVIEWS, infobar->GetIconId());
 #else
   ASSERT_EQ(PreviewsInfoBarDelegate::kNoIconID, infobar->GetIconId());
 #endif
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, OfflineInfobarNonDataSaverUserTest) {
   PreviewsInfoBarDelegate* infobar =
       CreateInfoBar(previews::PreviewsType::OFFLINE, base::Time(),
-                    false /* is_data_saver_user */);
+                    false /* is_data_saver_user */, false /* is_reload */);
 
   tester_->ExpectUniqueSample(kUMAPreviewsInfoBarActionOffline,
                               PreviewsInfoBarDelegate::INFOBAR_SHOWN, 1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiUIShownPerSession));
 
   // Check the strings.
   ASSERT_TRUE(infobar);
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_FASTER_PAGE_TITLE),
             infobar->GetMessageText());
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_LINK),
             infobar->GetLinkText());
   ASSERT_EQ(base::string16(), infobar->GetTimestampText());
 #if defined(OS_ANDROID)
   ASSERT_EQ(IDR_ANDROID_INFOBAR_PREVIEWS, infobar->GetIconId());
 #else
   ASSERT_EQ(PreviewsInfoBarDelegate::kNoIconID, infobar->GetIconId());
 #endif
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, OfflineInfobarDataSaverUserTest) {
   PreviewsInfoBarDelegate* infobar =
       CreateInfoBar(previews::PreviewsType::OFFLINE, base::Time(),
-                    true /* is_data_saver_user */);
+                    true /* is_data_saver_user */, false /* is_reload */);
 
   tester_->ExpectUniqueSample(kUMAPreviewsInfoBarActionOffline,
                               PreviewsInfoBarDelegate::INFOBAR_SHOWN, 1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiUIShownPerSession));
 
   // Check the strings.
   ASSERT_TRUE(infobar);
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_SAVED_DATA_TITLE),
             infobar->GetMessageText());
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_LINK),
             infobar->GetLinkText());
   ASSERT_EQ(base::string16(), infobar->GetTimestampText());
 #if defined(OS_ANDROID)
   ASSERT_EQ(IDR_ANDROID_INFOBAR_PREVIEWS, infobar->GetIconId());
 #else
   ASSERT_EQ(PreviewsInfoBarDelegate::kNoIconID, infobar->GetIconId());
 #endif
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, OfflineInfobarDisablesLoFi) {
   TestPreviewsWebContentsObserver::FromWebContents(web_contents())
       ->set_should_have_page_id(false);
 
   NavigateAndCommit(GURL(kTestUrl));
 
   ConfirmInfoBarDelegate* infobar =
       CreateInfoBar(previews::PreviewsType::OFFLINE, base::Time(),
-                    true /* is_data_saver_user */);
+                    true /* is_data_saver_user */, false /* is_reload */);
 
   tester_->ExpectUniqueSample(kUMAPreviewsInfoBarActionOffline,
                               PreviewsInfoBarDelegate::INFOBAR_SHOWN, 1);
 
   // Simulate clicking the infobar link.
   if (infobar->LinkClicked(WindowOpenDisposition::CURRENT_TAB))
     infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   content::WebContentsTester::For(web_contents())->CommitPendingNavigation();
 
   EXPECT_EQ(content::ReloadType::DISABLE_LOFI_MODE,
             TestPreviewsWebContentsObserver::FromWebContents(web_contents())
                 ->last_navigation_reload_type());
 
   auto* data_reduction_proxy_settings =
       DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
           web_contents()->GetBrowserContext());
 
   EXPECT_EQ(0u, data_reduction_proxy_settings->data_reduction_proxy_service()
                     ->pingback_client()
                     ->OptOutsSizeForTesting());
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, PingbackClientClearedTabClosed) {
   NavigateAndCommit(GURL(kTestUrl));
 
   ConfirmInfoBarDelegate* infobar =
       CreateInfoBar(previews::PreviewsType::LITE_PAGE, base::Time(),
-                    true /* is_data_saver_user */);
+                    true /* is_data_saver_user */, false /* is_reload */);
 
   // Simulate clicking the infobar link.
   if (infobar->LinkClicked(WindowOpenDisposition::CURRENT_TAB))
     infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
 
   tester_->ExpectBucketCount(
       kUMAPreviewsInfoBarActionLitePage,
       PreviewsInfoBarDelegate::INFOBAR_LOAD_ORIGINAL_CLICKED, 1);
 
@@ skipping 30 matching lines @@
                     ->OptOutsSizeForTesting());
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, PreviewInfobarTimestampMinutesTest) {
   // Use default params.
   std::map<std::string, std::string> variation_params;
   EnableStalePreviewsTimestamp(variation_params);
   int staleness_in_minutes = 5;
 
   TestStalePreviews(
-      staleness_in_minutes,
+      staleness_in_minutes, false /* is_reload */,
       l10n_util::GetStringFUTF16(IDS_PREVIEWS_INFOBAR_TIMESTAMP_MINUTES,
                                  base::IntToString16(staleness_in_minutes)),
       PreviewsInfoBarDelegate::TIMESTAMP_SHOWN);
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, PreviewInfobarTimestampHourTest) {
   // Use default variation_params.
   std::map<std::string, std::string> variation_params;
   EnableStalePreviewsTimestamp(variation_params);
   int staleness_in_minutes = 65;
 
   TestStalePreviews(
-      staleness_in_minutes,
+      staleness_in_minutes, false /* is_reload */,
       l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_TIMESTAMP_ONE_HOUR),
       PreviewsInfoBarDelegate::TIMESTAMP_SHOWN);
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, PreviewInfobarTimestampHoursTest) {
   // Use default variation_params.
   std::map<std::string, std::string> variation_params;
   EnableStalePreviewsTimestamp(variation_params);
   int staleness_in_hours = 2;
 
   TestStalePreviews(
-      staleness_in_hours * 60,
+      staleness_in_hours * 60, false /* is_reload */,
       l10n_util::GetStringFUTF16(IDS_PREVIEWS_INFOBAR_TIMESTAMP_HOURS,
                                  base::IntToString16(staleness_in_hours)),
       PreviewsInfoBarDelegate::TIMESTAMP_SHOWN);
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, PreviewInfobarTimestampFinchParamsUMA) {
   std::map<std::string, std::string> variation_params;
   variation_params["min_staleness_in_minutes"] = "1";
   variation_params["max_staleness_in_minutes"] = "5";
   EnableStalePreviewsTimestamp(variation_params);
 
   TestStalePreviews(
-      1,
+      1, false /* is_reload */,
       l10n_util::GetStringFUTF16(IDS_PREVIEWS_INFOBAR_TIMESTAMP_MINUTES,
                                  base::IntToString16(1)),
       PreviewsInfoBarDelegate::TIMESTAMP_SHOWN);
 
   TestStalePreviews(
-      6, base::string16(),
+      6, false /* is_reload */, base::string16(),
       PreviewsInfoBarDelegate::TIMESTAMP_NOT_SHOWN_STALENESS_GREATER_THAN_MAX);
 }
 
 TEST_F(PreviewsInfoBarDelegateUnitTest, PreviewInfobarTimestampUMA) {
   // Use default params.
   std::map<std::string, std::string> variation_params;
   EnableStalePreviewsTimestamp(variation_params);
 
   TestStalePreviews(
-      1, base::string16(),
+      1, false /* is_reload */, base::string16(),
       PreviewsInfoBarDelegate::TIMESTAMP_NOT_SHOWN_PREVIEW_NOT_STALE);
   TestStalePreviews(
-      -1, base::string16(),
+      -1, false /* is_reload */, base::string16(),
       PreviewsInfoBarDelegate::TIMESTAMP_NOT_SHOWN_STALENESS_NEGATIVE);
   TestStalePreviews(
-      1441, base::string16(),
+      1441, false /* is_reload */, base::string16(),
       PreviewsInfoBarDelegate::TIMESTAMP_NOT_SHOWN_STALENESS_GREATER_THAN_MAX);
 }
+
+TEST_F(PreviewsInfoBarDelegateUnitTest, PreviewInfobarTimestampReloadTest) {
+  // Use default params.
+  std::map<std::string, std::string> variation_params;
+  EnableStalePreviewsTimestamp(variation_params);
+  int staleness_in_minutes = 5;
+
+  TestStalePreviews(
+      staleness_in_minutes, false /* is_reload */,
+      l10n_util::GetStringFUTF16(IDS_PREVIEWS_INFOBAR_TIMESTAMP_MINUTES,
+                                 base::IntToString16(staleness_in_minutes)),
+      PreviewsInfoBarDelegate::TIMESTAMP_SHOWN);
+
+  staleness_in_minutes = 1;
+  TestStalePreviews(
+      staleness_in_minutes, true /* is_reload */,
+      l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_TIMESTAMP_UPDATED_NOW),
+      PreviewsInfoBarDelegate::TIMESTAMP_UPDATED_NOW_SHOWN);
+}