BASELINE: Update Chromium to 80.0.3987.136

Change-Id: I98e1649aafae85ba3a83e67af00bb27ef301db7b
Reviewed-by: Jüri Valdmann <juri.valdmann@qt.io>

10 files changed, 87 insertions, 21 deletions

diff --git a/chromium/components/feature_engagement/internal/chrome_variations_configuration_unittest.cc b/chromium/components/feature_engagement/internal/chrome_variations_configuration_unittest.cc
index 23a5cceab0e..828c5483707 100644
--- a/chromium/components/feature_engagement/internal/chrome_variations_configuration_unittest.cc
+++ b/chromium/components/feature_engagement/internal/chrome_variations_configuration_unittest.cc
@@ -45,7 +45,7 @@ SessionRateImpact CreateSessionRateImpactExplicit(
 
 class ChromeVariationsConfigurationTest : public ::testing::Test {
  public:
-  ChromeVariationsConfigurationTest() : field_trials_(nullptr) {
+  ChromeVariationsConfigurationTest() {
     base::FieldTrial* foo_trial =
         base::FieldTrialList::CreateFieldTrial(kFooTrialName, kGroupName);
     base::FieldTrial* bar_trial =
@@ -67,7 +67,7 @@ class ChromeVariationsConfigurationTest : public ::testing::Test {
         kChromeTestFeatureQux.name, base::FeatureList::OVERRIDE_ENABLE_FEATURE,
         qux_trial);
 
-    scoped_feature_list.InitWithFeatureList(std::move(feature_list));
+    scoped_feature_list_.InitWithFeatureList(std::move(feature_list));
     EXPECT_EQ(foo_trial,
               base::FeatureList::GetFieldTrial(kChromeTestFeatureFoo));
     EXPECT_EQ(bar_trial,
@@ -111,9 +111,8 @@ class ChromeVariationsConfigurationTest : public ::testing::Test {
   ChromeVariationsConfiguration configuration_;
 
  private:
-  base::FieldTrialList field_trials_;
+  base::test::ScopedFeatureList scoped_feature_list_;
   std::map<std::string, base::FieldTrial*> trials_;
-  base::test::ScopedFeatureList scoped_feature_list;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeVariationsConfigurationTest);
 };
diff --git a/chromium/components/feature_engagement/public/android/java/src/org/chromium/components/feature_engagement/EventConstants.java b/chromium/components/feature_engagement/public/android/java/src/org/chromium/components/feature_engagement/EventConstants.java
index 5d1bac869a3..9fa9efa313c 100644
--- a/chromium/components/feature_engagement/public/android/java/src/org/chromium/components/feature_engagement/EventConstants.java
+++ b/chromium/components/feature_engagement/public/android/java/src/org/chromium/components/feature_engagement/EventConstants.java
@@ -29,12 +29,6 @@ public final class EventConstants {
     public static final String DOWNLOAD_HOME_OPENED = "download_home_opened";
 
     /**
-     * The user triggered pull to refresh. Used to help determine when to show the Chrome Home
-     * in-product help.
-     */
-    public static final String PULL_TO_REFRESH = "pull_to_refresh";
-
-    /**
      * Screenshot is taken with Chrome in the foreground.
      */
     public static final String SCREENSHOT_TAKEN_CHROME_IN_FOREGROUND =
@@ -160,6 +154,9 @@ public final class EventConstants {
     /** User has finished drop-to-merge to create a group. */
     public static final String TAB_DRAG_AND_DROP_TO_GROUP = "tab_drag_and_drop_to_group";
 
+    /** User has tapped on Identity Disc. */
+    public static final String IDENTITY_DISC_USED = "identity_disc_used";
+
     /**
      * Do not instantiate.
      */
diff --git a/chromium/components/feature_engagement/public/android/java/src/org/chromium/components/feature_engagement/FeatureConstants.java b/chromium/components/feature_engagement/public/android/java/src/org/chromium/components/feature_engagement/FeatureConstants.java
index e70dd4aa3cb..92f14f1ca49 100644
--- a/chromium/components/feature_engagement/public/android/java/src/org/chromium/components/feature_engagement/FeatureConstants.java
+++ b/chromium/components/feature_engagement/public/android/java/src/org/chromium/components/feature_engagement/FeatureConstants.java
@@ -15,7 +15,9 @@ import java.lang.annotation.RetentionPolicy;
  */
 @StringDef({FeatureConstants.DOWNLOAD_PAGE_FEATURE,
         FeatureConstants.DOWNLOAD_PAGE_SCREENSHOT_FEATURE, FeatureConstants.DOWNLOAD_HOME_FEATURE,
-        FeatureConstants.CHROME_DUET_FEATURE, FeatureConstants.CHROME_HOME_EXPAND_FEATURE,
+        FeatureConstants.CHROME_DUET_SEARCH_FEATURE,
+        FeatureConstants.CHROME_DUET_TAB_SWITCHER_FEATURE,
+        FeatureConstants.CHROME_HOME_EXPAND_FEATURE,
         FeatureConstants.CHROME_HOME_PULL_TO_REFRESH_FEATURE,
         FeatureConstants.DATA_SAVER_PREVIEW_FEATURE, FeatureConstants.DATA_SAVER_DETAIL_FEATURE,
         FeatureConstants.PREVIEWS_OMNIBOX_UI_FEATURE,
@@ -34,13 +36,16 @@ import java.lang.annotation.RetentionPolicy;
         FeatureConstants.TAB_GROUPS_TAP_TO_SEE_ANOTHER_TAB_FEATURE,
         FeatureConstants.TAB_GROUPS_YOUR_TABS_ARE_TOGETHER_FEATURE,
         FeatureConstants.FEED_CARD_MENU_FEATURE, FeatureConstants.IDENTITY_DISC_FEATURE,
-        FeatureConstants.TAB_GROUPS_DRAG_AND_DROP_FEATURE})
+        FeatureConstants.TAB_GROUPS_DRAG_AND_DROP_FEATURE,
+        FeatureConstants.QUIET_NOTIFICATION_PROMPTS_FEATURE})
 @Retention(RetentionPolicy.SOURCE)
 public @interface FeatureConstants {
     String DOWNLOAD_PAGE_FEATURE = "IPH_DownloadPage";
     String DOWNLOAD_PAGE_SCREENSHOT_FEATURE = "IPH_DownloadPageScreenshot";
     String DOWNLOAD_HOME_FEATURE = "IPH_DownloadHome";
-    String CHROME_DUET_FEATURE = "IPH_ChromeDuet";
+    String CHROME_DUET_HOME_BUTTON_FEATURE = "IPH_ChromeDuetHomeButton";
+    String CHROME_DUET_SEARCH_FEATURE = "IPH_ChromeDuet";
+    String CHROME_DUET_TAB_SWITCHER_FEATURE = "IPH_ChromeDuetTabSwitcherButton";
     String CHROME_HOME_EXPAND_FEATURE = "IPH_ChromeHomeExpand";
     String CHROME_HOME_PULL_TO_REFRESH_FEATURE = "IPH_ChromeHomePullToRefresh";
     String DATA_SAVER_PREVIEW_FEATURE = "IPH_DataSaverPreview";
@@ -122,4 +127,10 @@ public @interface FeatureConstants {
      * services" preferences.
      */
     String IDENTITY_DISC_FEATURE = "IPH_IdentityDisc";
+
+    /**
+     * An IPH feature showing up the first time the user is presented with the quieter version of
+     * the permission prompt (for notifications).
+     */
+    String QUIET_NOTIFICATION_PROMPTS_FEATURE = "IPH_QuietNotificationPrompts";
 }
diff --git a/chromium/components/feature_engagement/public/event_constants.cc b/chromium/components/feature_engagement/public/event_constants.cc
index b00db8ed977..1e8973aceea 100644
--- a/chromium/components/feature_engagement/public/event_constants.cc
+++ b/chromium/components/feature_engagement/public/event_constants.cc
@@ -28,6 +28,9 @@ const char kGlobalMediaControlsOpened[] = "global_media_controls_opened";
 const char kFocusModeOpened[] = "focus_mode_opened";
 const char kFocusModeConditionsMet[] = "focus_mode_conditions_met";
 
+const char kWebUITabStripClosed[] = "webui_tab_strip_closed";
+const char kWebUITabStripOpened[] = "webui_tab_strip_opened";
+
 #if BUILDFLAG(ENABLE_LEGACY_DESKTOP_IN_PRODUCT_HELP)
 const char kBookmarkAdded[] = "bookmark_added";
 const char kBookmarkSessionTimeMet[] = "bookmark_session_time_met";
diff --git a/chromium/components/feature_engagement/public/event_constants.h b/chromium/components/feature_engagement/public/event_constants.h
index a473aa0afa6..638a72e929d 100644
--- a/chromium/components/feature_engagement/public/event_constants.h
+++ b/chromium/components/feature_engagement/public/event_constants.h
@@ -45,6 +45,11 @@ extern const char kFocusModeOpened[];
 // All conditions for show Focus Mode IPH were met.
 extern const char kFocusModeConditionsMet[];
 
+// The WebUI tab strip was closed by the user.
+extern const char kWebUITabStripClosed[];
+// The WebUI tab strip was opened by the user.
+extern const char kWebUITabStripOpened[];
+
 #if BUILDFLAG(ENABLE_LEGACY_DESKTOP_IN_PRODUCT_HELP)
 // All the events declared below are the string names of deferred onboarding
 // events for the Bookmark feature.
diff --git a/chromium/components/feature_engagement/public/feature_configurations.cc b/chromium/components/feature_engagement/public/feature_configurations.cc
index abf8a27d634..8ba1faffc4c 100644
--- a/chromium/components/feature_engagement/public/feature_configurations.cc
+++ b/chromium/components/feature_engagement/public/feature_configurations.cc
@@ -27,6 +27,30 @@ base::Optional<FeatureConfig> GetClientSideFeatureConfig(
                     Comparator(GREATER_THAN_OR_EQUAL, 10), 90, 360));
     return config;
   }
+  if (kIPHDataSaverPreviewFeature.name == feature->name) {
+    base::Optional<FeatureConfig> config = FeatureConfig();
+    config->valid = true;
+    config->availability = Comparator(ANY, 0);
+    config->session_rate = Comparator(EQUAL, 0);
+    config->trigger = EventConfig("data_saver_preview_iph_trigger",
+                                  Comparator(EQUAL, 0), 90, 360);
+    config->used = EventConfig("data_saver_preview_opened",
+                               Comparator(LESS_THAN_OR_EQUAL, 1), 90, 360);
+    return config;
+  }
+  if (kIPHPreviewsOmniboxUIFeature.name == feature->name) {
+    base::Optional<FeatureConfig> config = FeatureConfig();
+    config->valid = true;
+    config->availability = Comparator(ANY, 0);
+    config->session_rate = Comparator(EQUAL, 0);
+    config->trigger = EventConfig("previews_verbose_iph_triggered_2",
+                                  Comparator(LESS_THAN, 2), 90, 360);
+    config->used = EventConfig("previews_verbose_status_opened",
+                               Comparator(EQUAL, 0), 90, 360);
+    config->event_configs.insert(EventConfig(
+        "preview_page_load", Comparator(GREATER_THAN_OR_EQUAL, 1), 90, 360));
+    return config;
+  }
   if (kIPHDownloadHomeFeature.name == feature->name) {
     base::Optional<FeatureConfig> config = FeatureConfig();
     config->valid = true;
diff --git a/chromium/components/feature_engagement/public/feature_constants.cc b/chromium/components/feature_engagement/public/feature_constants.cc
index d951d611a64..520aa289461 100644
--- a/chromium/components/feature_engagement/public/feature_constants.cc
+++ b/chromium/components/feature_engagement/public/feature_constants.cc
@@ -22,6 +22,8 @@ const base::Feature kIPHGlobalMediaControlsFeature{
     "IPH_GlobalMediaControls", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kIPHReopenTabFeature{"IPH_ReopenTab",
                                          base::FEATURE_DISABLED_BY_DEFAULT};
+const base::Feature kIPHWebUITabStripFeature{"IPH_WebUITabStrip",
+                                             base::FEATURE_DISABLED_BY_DEFAULT};
 
 #if BUILDFLAG(ENABLE_LEGACY_DESKTOP_IN_PRODUCT_HELP)
 const base::Feature kIPHBookmarkFeature{"IPH_Bookmark",
@@ -40,15 +42,19 @@ const base::Feature kIPHDataSaverDetailFeature{
 const base::Feature kIPHDataSaverMilestonePromoFeature{
     "IPH_DataSaverMilestonePromo", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kIPHDataSaverPreviewFeature{
-    "IPH_DataSaverPreview", base::FEATURE_DISABLED_BY_DEFAULT};
+    "IPH_DataSaverPreview", base::FEATURE_ENABLED_BY_DEFAULT};
 const base::Feature kIPHDownloadHomeFeature{"IPH_DownloadHome",
                                             base::FEATURE_ENABLED_BY_DEFAULT};
 const base::Feature kIPHDownloadPageFeature{"IPH_DownloadPage",
                                             base::FEATURE_ENABLED_BY_DEFAULT};
 const base::Feature kIPHDownloadPageScreenshotFeature{
     "IPH_DownloadPageScreenshot", base::FEATURE_DISABLED_BY_DEFAULT};
-const base::Feature kIPHChromeDuetFeature{"IPH_ChromeDuet",
-                                          base::FEATURE_DISABLED_BY_DEFAULT};
+const base::Feature kIPHChromeDuetHomeButtonFeature{
+    "IPH_ChromeDuetHomeButton", base::FEATURE_DISABLED_BY_DEFAULT};
+const base::Feature kIPHChromeDuetSearchFeature{
+    "IPH_ChromeDuet", base::FEATURE_DISABLED_BY_DEFAULT};
+const base::Feature kIPHChromeDuetTabSwitcherFeature{
+    "IPH_ChromeDuetTabSwitcherButton", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kIPHChromeHomeExpandFeature{
     "IPH_ChromeHomeExpand", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kIPHChromeHomePullToRefreshFeature{
@@ -67,6 +73,8 @@ const base::Feature kIPHDownloadInfoBarDownloadContinuingFeature{
     "IPH_DownloadInfoBarDownloadContinuing", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kIPHDownloadInfoBarDownloadsAreFasterFeature{
     "IPH_DownloadInfoBarDownloadsAreFaster", base::FEATURE_DISABLED_BY_DEFAULT};
+const base::Feature kIPHQuietNotificationPromptsFeature{
+    "IPH_QuietNotificationPrompts", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kIPHFeedCardMenuFeature{"IPH_FeedCardMenu",
                                             base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kIPHIdentityDiscFeature{"IPH_IdentityDisc",
@@ -78,7 +86,7 @@ const base::Feature kIPHKeyboardAccessoryPasswordFillingFeature{
 const base::Feature kIPHKeyboardAccessoryPaymentFillingFeature{
     "IPH_KeyboardAccessoryPaymentFilling", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kIPHPreviewsOmniboxUIFeature{
-    "IPH_PreviewsOmniboxUI", base::FEATURE_DISABLED_BY_DEFAULT};
+    "IPH_PreviewsOmniboxUI", base::FEATURE_ENABLED_BY_DEFAULT};
 const base::Feature kIPHTabGroupsQuicklyComparePagesFeature{
     "IPH_TabGroupsQuicklyComparePages", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kIPHTabGroupsTapToSeeAnotherTabFeature{
diff --git a/chromium/components/feature_engagement/public/feature_constants.h b/chromium/components/feature_engagement/public/feature_constants.h
index fba9baeb0ef..de4b4117da0 100644
--- a/chromium/components/feature_engagement/public/feature_constants.h
+++ b/chromium/components/feature_engagement/public/feature_constants.h
@@ -22,6 +22,7 @@ extern const base::Feature kIPHDummyFeature;
 extern const base::Feature kIPHFocusModeFeature;
 extern const base::Feature kIPHGlobalMediaControlsFeature;
 extern const base::Feature kIPHReopenTabFeature;
+extern const base::Feature kIPHWebUITabStripFeature;
 
 #if BUILDFLAG(ENABLE_LEGACY_DESKTOP_IN_PRODUCT_HELP)
 extern const base::Feature kIPHBookmarkFeature;
@@ -41,7 +42,9 @@ extern const base::Feature kIPHDataSaverPreviewFeature;
 extern const base::Feature kIPHDownloadHomeFeature;
 extern const base::Feature kIPHDownloadPageFeature;
 extern const base::Feature kIPHDownloadPageScreenshotFeature;
-extern const base::Feature kIPHChromeDuetFeature;
+extern const base::Feature kIPHChromeDuetHomeButtonFeature;
+extern const base::Feature kIPHChromeDuetSearchFeature;
+extern const base::Feature kIPHChromeDuetTabSwitcherFeature;
 extern const base::Feature kIPHChromeHomeExpandFeature;
 extern const base::Feature kIPHChromeHomePullToRefreshFeature;
 extern const base::Feature kIPHContextualSearchWebSearchFeature;
@@ -60,6 +63,7 @@ extern const base::Feature kIPHKeyboardAccessoryPasswordFillingFeature;
 extern const base::Feature kIPHKeyboardAccessoryPaymentFillingFeature;
 extern const base::Feature kIPHNewTabPageButtonFeature;
 extern const base::Feature kIPHPreviewsOmniboxUIFeature;
+extern const base::Feature kIPHQuietNotificationPromptsFeature;
 extern const base::Feature kIPHTabGroupsQuicklyComparePagesFeature;
 extern const base::Feature kIPHTabGroupsTapToSeeAnotherTabFeature;
 extern const base::Feature kIPHTabGroupsYourTabsAreTogetherFeature;
diff --git a/chromium/components/feature_engagement/public/feature_list.cc b/chromium/components/feature_engagement/public/feature_list.cc
index 11aba764404..8367202f29d 100644
--- a/chromium/components/feature_engagement/public/feature_list.cc
+++ b/chromium/components/feature_engagement/public/feature_list.cc
@@ -23,7 +23,9 @@ const base::Feature* const kAllFeatures[] = {
     &kIPHDownloadHomeFeature,
     &kIPHDownloadPageFeature,
     &kIPHDownloadPageScreenshotFeature,
-    &kIPHChromeDuetFeature,
+    &kIPHChromeDuetHomeButtonFeature,
+    &kIPHChromeDuetSearchFeature,
+    &kIPHChromeDuetTabSwitcherFeature,
     &kIPHChromeHomeExpandFeature,
     &kIPHChromeHomePullToRefreshFeature,
     &kIPHContextualSearchWebSearchFeature,
@@ -39,6 +41,7 @@ const base::Feature* const kAllFeatures[] = {
     &kIPHKeyboardAccessoryPasswordFillingFeature,
     &kIPHKeyboardAccessoryPaymentFillingFeature,
     &kIPHPreviewsOmniboxUIFeature,
+    &kIPHQuietNotificationPromptsFeature,
     &kIPHTabGroupsQuicklyComparePagesFeature,
     &kIPHTabGroupsTapToSeeAnotherTabFeature,
     &kIPHTabGroupsYourTabsAreTogetherFeature,
@@ -59,6 +62,7 @@ const base::Feature* const kAllFeatures[] = {
     &kIPHFocusModeFeature,
     &kIPHGlobalMediaControlsFeature,
     &kIPHReopenTabFeature,
+    &kIPHWebUITabStripFeature,
 #if BUILDFLAG(ENABLE_LEGACY_DESKTOP_IN_PRODUCT_HELP)
     &kIPHBookmarkFeature,
     &kIPHIncognitoWindowFeature,
diff --git a/chromium/components/feature_engagement/public/feature_list.h b/chromium/components/feature_engagement/public/feature_list.h
index fb6494ebc63..ed5fe83ac94 100644
--- a/chromium/components/feature_engagement/public/feature_list.h
+++ b/chromium/components/feature_engagement/public/feature_list.h
@@ -55,7 +55,11 @@ DEFINE_VARIATION_PARAM(kIPHDownloadHomeFeature, "IPH_DownloadHome");
 DEFINE_VARIATION_PARAM(kIPHDownloadPageFeature, "IPH_DownloadPage");
 DEFINE_VARIATION_PARAM(kIPHDownloadPageScreenshotFeature,
                        "IPH_DownloadPageScreenshot");
-DEFINE_VARIATION_PARAM(kIPHChromeDuetFeature, "IPH_ChromeDuet");
+DEFINE_VARIATION_PARAM(kIPHChromeDuetHomeButtonFeature,
+                       "IPH_ChromeDuetHomeButton");
+DEFINE_VARIATION_PARAM(kIPHChromeDuetSearchFeature, "IPH_ChromeDuet");
+DEFINE_VARIATION_PARAM(kIPHChromeDuetTabSwitcherFeature,
+                       "IPH_ChromeDuetTabSwitcherButton");
 DEFINE_VARIATION_PARAM(kIPHChromeHomeExpandFeature, "IPH_ChromeHomeExpand");
 DEFINE_VARIATION_PARAM(kIPHChromeHomePullToRefreshFeature,
                        "IPH_ChromeHomePullToRefresh");
@@ -81,6 +85,8 @@ DEFINE_VARIATION_PARAM(kIPHKeyboardAccessoryPasswordFillingFeature,
 DEFINE_VARIATION_PARAM(kIPHKeyboardAccessoryPaymentFillingFeature,
                        "IPH_KeyboardAccessoryPaymentFilling");
 DEFINE_VARIATION_PARAM(kIPHPreviewsOmniboxUIFeature, "IPH_PreviewsOmniboxUI");
+DEFINE_VARIATION_PARAM(kIPHQuietNotificationPromptsFeature,
+                       "IPH_QuietNotificationPrompts");
 DEFINE_VARIATION_PARAM(kIPHTabGroupsQuicklyComparePagesFeature,
                        "IPH_TabGroupsQuicklyComparePages");
 DEFINE_VARIATION_PARAM(kIPHTabGroupsTapToSeeAnotherTabFeature,
@@ -109,6 +115,7 @@ DEFINE_VARIATION_PARAM(kIPHBadgedTranslateManualTriggerFeature,
 DEFINE_VARIATION_PARAM(kIPHFocusModeFeature, "IPH_FocusMode");
 DEFINE_VARIATION_PARAM(kIPHGlobalMediaControls, "IPH_GlobalMediaControls");
 DEFINE_VARIATION_PARAM(kIPHReopenTabFeature, "IPH_ReopenTab");
+DEFINE_VARIATION_PARAM(kIPHWebUITabStripFeature, "IPH_WebUITabStrip");
 #if BUILDFLAG(ENABLE_LEGACY_DESKTOP_IN_PRODUCT_HELP)
 DEFINE_VARIATION_PARAM(kIPHBookmarkFeature, "IPH_Bookmark");
 DEFINE_VARIATION_PARAM(kIPHIncognitoWindowFeature, "IPH_IncognitoWindow");
@@ -131,7 +138,9 @@ constexpr flags_ui::FeatureEntry::FeatureVariation
         VARIATION_ENTRY(kIPHDownloadHomeFeature),
         VARIATION_ENTRY(kIPHDownloadPageFeature),
         VARIATION_ENTRY(kIPHDownloadPageScreenshotFeature),
-        VARIATION_ENTRY(kIPHChromeDuetFeature),
+        VARIATION_ENTRY(kIPHChromeDuetHomeButtonFeature),
+        VARIATION_ENTRY(kIPHChromeDuetSearchFeature),
+        VARIATION_ENTRY(kIPHChromeDuetTabSwitcherFeature),
         VARIATION_ENTRY(kIPHChromeHomeExpandFeature),
         VARIATION_ENTRY(kIPHChromeHomePullToRefreshFeature),
         VARIATION_ENTRY(kIPHContextualSearchWebSearchFeature),
@@ -147,6 +156,7 @@ constexpr flags_ui::FeatureEntry::FeatureVariation
         VARIATION_ENTRY(kIPHKeyboardAccessoryPasswordFillingFeature),
         VARIATION_ENTRY(kIPHKeyboardAccessoryPaymentFillingFeature),
         VARIATION_ENTRY(kIPHPreviewsOmniboxUIFeature),
+        VARIATION_ENTRY(kIPHQuietNotificationPromptsFeature),
         VARIATION_ENTRY(kIPHTabGroupsQuicklyComparePagesFeature),
         VARIATION_ENTRY(kIPHTabGroupsTapToSeeAnotherTabFeature),
         VARIATION_ENTRY(kIPHTabGroupsYourTabsAreTogetherFeature),
@@ -165,6 +175,7 @@ constexpr flags_ui::FeatureEntry::FeatureVariation
         VARIATION_ENTRY(kIPHFocusModeFeature),
         VARIATION_ENTRY(kIPHGlobalMediaControls),
         VARIATION_ENTRY(kIPHReopenTabFeature),
+        VARIATION_ENTRY(kIPHWebUITabStripFeature),
 #if BUILDFLAG(ENABLE_LEGACY_DESKTOP_IN_PRODUCT_HELP)
         VARIATION_ENTRY(kIPHBookmarkFeature),
         VARIATION_ENTRY(kIPHIncognitoWindowFeature),