[hub] Launch hub search to stable 100%

Roll out AndroidHubSearch to stable 100%. The chosen arm to launch
will enabled the bookmarks, history and enter to search params.

Bug: 398907040
Change-Id: I45b6b0fa1c1279f5c4f3a8cefd41404c299f4fbe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6330826
Reviewed-by: Patrick Noland <pnoland@chromium.org>
Reviewed-by: Brandon Wylie <wylieb@google.com>
Commit-Queue: Brandon Fong <bjfong@google.com>
Cr-Commit-Position: refs/heads/main@{#1429666}

components/omnibox/browser/autocomplete_controller_unittest.cc

@@ -2230,29 +2230,11 @@ TEST_F(AutocompleteControllerTest,
 
 #if BUILDFLAG(IS_ANDROID)
 TEST_F(AutocompleteControllerTest, ShouldRunProvider_AndroidHubSearch) {
-  // For Lens searchboxes, run search provider only.
+  // Include bookmarks and history as default providers for hub search.
   std::set<AutocompleteProvider::Type> expected_provider_types = {
-      AutocompleteProvider::TYPE_SEARCH, AutocompleteProvider::TYPE_OPEN_TAB};
-
-  controller_.input_ =
-      AutocompleteInput(u"a", 1u, metrics::OmniboxEventProto::ANDROID_HUB,
-                        TestSchemeClassifier());
-  for (auto& provider : controller_.providers()) {
-    EXPECT_EQ(controller_.ShouldRunProvider(provider.get()),
-              expected_provider_types.contains(provider->type()))
-        << "Provider Type: "
-        << AutocompleteProvider::TypeToString(provider->type());
-  }
-
-  base::test::ScopedFeatureList scoped_feature_list;
-  scoped_feature_list.InitAndEnableFeatureWithParameters(
-      omnibox::kAndroidHubSearch, {{"enable_bookmark_provider", "true"},
-                                   {"enable_history_provider", "true"}});
-
-  expected_provider_types = {AutocompleteProvider::TYPE_SEARCH,
-                             AutocompleteProvider::TYPE_OPEN_TAB,
-                             AutocompleteProvider::TYPE_BOOKMARK,
-                             AutocompleteProvider::TYPE_HISTORY_QUICK};
+      AutocompleteProvider::TYPE_SEARCH, AutocompleteProvider::TYPE_OPEN_TAB,
+      AutocompleteProvider::TYPE_BOOKMARK,
+      AutocompleteProvider::TYPE_HISTORY_QUICK};
 
   controller_.input_ =
       AutocompleteInput(u"a", 1u, metrics::OmniboxEventProto::ANDROID_HUB,

components/omnibox/browser/omnibox_field_trial.h

@@ -762,10 +762,10 @@ bool IsStarterPackPageEnabled();
 // primitives are included.
 #if BUILDFLAG(IS_ANDROID)
 constexpr base::FeatureParam<bool> kAndroidHubSearchEnableBookmarkProvider{
-    &omnibox::kAndroidHubSearch, "enable_bookmark_provider", false};
+    &omnibox::kAndroidHubSearch, "enable_bookmark_provider", true};
 
 constexpr base::FeatureParam<bool> kAndroidHubSearchEnableHistoryProvider{
-    &omnibox::kAndroidHubSearch, "enable_history_provider", false};
+    &omnibox::kAndroidHubSearch, "enable_history_provider", true};
 #endif
 
 // <- Android Hub Search

components/omnibox/common/android/java/src/org/chromium/components/omnibox/OmniboxFeatures.java

@@ -114,7 +114,7 @@ public class OmniboxFeatures {
             newFlag(OmniboxFeatureList.RETAIN_OMNIBOX_ON_FOCUS, FeatureState.ENABLED_IN_TEST);
 
     public static final CachedFlag sAndroidHubSearch =
-            newFlag(OmniboxFeatureList.ANDROID_HUB_SEARCH, FeatureState.ENABLED_IN_TEST);
+            newFlag(OmniboxFeatureList.ANDROID_HUB_SEARCH, FeatureState.ENABLED_IN_PROD);
 
     public static final CachedFlag sPostDelayedTaskFocusTab =
             newFlag(OmniboxFeatureList.POST_DELAYED_TASK_FOCUS_TAB, FeatureState.ENABLED_IN_PROD);
@@ -178,7 +178,7 @@ public class OmniboxFeatures {
     // This parameter allows the user to click enter when on hub search to perform a search on the
     // listed suggestions or perform a google search on the query if no suggestions are found.
     public static final BooleanCachedFeatureParam sAndroidHubSearchEnterPerformsSearch =
-            newBooleanParam(sAndroidHubSearch, "enable_press_enter_to_search", false);
+            newBooleanParam(sAndroidHubSearch, "enable_press_enter_to_search", true);
 
     // Omnibox Diagnostics
     private static final CachedFlag sDiagnostics =

components/omnibox/common/omnibox_features.cc

@@ -372,9 +372,7 @@ BASE_FEATURE(kSuppressIntermediateACUpdatesOnLowEndDevices,
              DISABLED);
 
 // (Android only) Show the search feature in the hub.
-BASE_FEATURE(kAndroidHubSearch,
-             "AndroidHubSearch",
-             base::FEATURE_DISABLED_BY_DEFAULT);
+BASE_FEATURE(kAndroidHubSearch, "AndroidHubSearch", ENABLED);
 
 // When enabled, delay focusTab to prioritize navigation
 // (https://crbug.com/374852568).

testing/variations/fieldtrial_testing_config.json

@@ -503,26 +503,6 @@
             ]
         }
     ],
-    "AndroidHubSearch": [
-        {
-            "platforms": [
-                "android"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "params": {
-                        "enable_bookmark_provider": "true",
-                        "enable_history_provider": "true",
-                        "enable_press_enter_to_search": "true"
-                    },
-                    "enable_features": [
-                        "AndroidHubSearch"
-                    ]
-                }
-            ]
-        }
-    ],
     "AndroidLowLatencyCanvas": [
         {
             "platforms": [