📎 Remove unneeded TWA feature flags.

Trusted Web Activities have been launched since Chrome 72 and
Permission Auto-Enrolment has been launched since Chrome 75.

Bug: 1017688
Change-Id: I98420357ee6fee95ef78df85a55f48f3f897695d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1878199
Commit-Queue: Peter Conn <peconn@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Reviewed-by: Balazs Engedy <engedy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710304}

chrome/android/java/src/org/chromium/chrome/browser/browserservices/TrustedWebActivityClient.java

@@ -17,14 +17,8 @@ import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.RemoteException;
 
-import androidx.annotation.Nullable;
-import androidx.browser.trusted.TrustedWebActivityService;
-import androidx.browser.trusted.TrustedWebActivityServiceConnectionManager;
-import androidx.browser.trusted.TrustedWebActivityServiceWrapper;
-
 import org.chromium.base.ContextUtils;
 import org.chromium.chrome.R;
-import org.chromium.chrome.browser.ChromeFeatureList;
 import org.chromium.chrome.browser.browserservices.TrustedWebActivityUmaRecorder.DelegatedNotificationSmallIconFallback;
 import org.chromium.chrome.browser.browserservices.permissiondelegation.NotificationPermissionUpdater;
 import org.chromium.chrome.browser.notifications.NotificationBuilderBase;
@@ -38,6 +32,11 @@ import java.util.Set;
 import javax.inject.Inject;
 import javax.inject.Singleton;
 
+import androidx.annotation.Nullable;
+import androidx.browser.trusted.TrustedWebActivityService;
+import androidx.browser.trusted.TrustedWebActivityServiceConnectionManager;
+import androidx.browser.trusted.TrustedWebActivityServiceWrapper;
+
 /**
  * Uses a Trusted Web Activity client to display notifications.
  */
@@ -190,8 +189,6 @@ public class TrustedWebActivityClient {
      */
     public static @Nullable Intent createLaunchIntentForTwa(Context appContext, String url,
             List<ResolveInfo> resolveInfosForUrl) {
-        if (!ChromeFeatureList.isEnabled(ChromeFeatureList.TRUSTED_WEB_ACTIVITY)) return null;
-
         Origin origin = new Origin(url);
 
         // Trusted Web Activities only work with https so we can shortcut here.

chrome/android/java/src/org/chromium/chrome/browser/browserservices/permissiondelegation/NotificationPermissionUpdater.java

@@ -11,13 +11,10 @@ import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 
-import androidx.annotation.WorkerThread;
-
 import org.chromium.base.Log;
 import org.chromium.base.PackageManagerUtils;
 import org.chromium.base.task.PostTask;
 import org.chromium.chrome.browser.ChromeApplication;
-import org.chromium.chrome.browser.ChromeFeatureList;
 import org.chromium.chrome.browser.browserservices.BrowserServicesMetrics;
 import org.chromium.chrome.browser.browserservices.Origin;
 import org.chromium.chrome.browser.browserservices.TrustedWebActivityClient;
@@ -27,6 +24,8 @@ import javax.inject.Inject;
 import javax.inject.Named;
 import javax.inject.Singleton;
 
+import androidx.annotation.WorkerThread;
+
 /**
  * This class updates the notification permission for an Origin based on the notification permission
  * that the linked TWA has in Android. It also reverts the notification permission back to that the
@@ -60,11 +59,6 @@ public class NotificationPermissionUpdater {
      * - Otherwise, it does nothing.
      */
     public void onOriginVerified(Origin origin, String packageName) {
-        if (!ChromeFeatureList.isEnabled(
-                ChromeFeatureList.TRUSTED_WEB_ACTIVITY_NOTIFICATION_DELEGATION_ENROLMENT)) {
-            return;
-        }
-
         // If the client doesn't handle browsable Intents for the URL, we don't do anything special
         // for the origin's notifications.
         if (!appHandlesBrowsableIntent(packageName, origin.uri())) {
@@ -88,11 +82,6 @@ public class NotificationPermissionUpdater {
      * app was installed.
      */
     public void onClientAppUninstalled(Origin origin) {
-        if (ChromeFeatureList.isInitialized() && !ChromeFeatureList.isEnabled(
-                ChromeFeatureList.TRUSTED_WEB_ACTIVITY_NOTIFICATION_DELEGATION_ENROLMENT)) {
-            return;
-        }
-
         // See if there is any other app installed that could handle the notifications (and update
         // to that apps notification permission if it exists).
         boolean couldConnect = mTrustedWebActivityClient.checkNotificationPermission(origin,

chrome/android/java/src/org/chromium/chrome/browser/browserservices/trustedwebactivityui/controller/Verifier.java

@@ -7,7 +7,6 @@ package org.chromium.chrome.browser.browserservices.trustedwebactivityui.control
 import org.chromium.base.Callback;
 import org.chromium.base.ObserverList;
 import org.chromium.base.Promise;
-import org.chromium.chrome.browser.ChromeFeatureList;
 import org.chromium.chrome.browser.browserservices.BrowserServicesIntentDataProvider;
 import org.chromium.chrome.browser.browserservices.Origin;
 import org.chromium.chrome.browser.browserservices.trustedwebactivityui.TrustedWebActivityModel;
@@ -81,10 +80,6 @@ public class Verifier implements NativeInitObserver {
         @Override
         public void onDidFinishNavigation(Tab tab, NavigationHandle navigation) {
             if (!navigation.hasCommitted() || !navigation.isInMainFrame()) return;
-            if (!ChromeFeatureList.isEnabled(ChromeFeatureList.TRUSTED_WEB_ACTIVITY)) {
-                assert false : "Shouldn't observe navigation when TWAs are disabled";
-                return;
-            }
             verifyVisitedOrigin(new Origin(navigation.getUrl()));
         }
     };
@@ -150,11 +145,6 @@ public class Verifier implements NativeInitObserver {
     @Override
     public void onFinishNativeInitialization() {
         Origin initialOrigin = new Origin(mIntentDataProvider.getUrlToLoad());
-        if (!ChromeFeatureList.isEnabled(ChromeFeatureList.TRUSTED_WEB_ACTIVITY)) {
-            mTabObserverRegistrar.unregisterTabObserver(mVerifyOnPageLoadObserver);
-            updateState(initialOrigin, VerificationStatus.FAILURE);
-            return;
-        }
 
         collectTrustedOrigins(initialOrigin);
         verifyVisitedOrigin(initialOrigin);

chrome/browser/android/chrome_feature_list.cc

@@ -184,9 +184,7 @@ const base::Feature* kFeaturesExposedToJava[] = {
     &kTabSwitcherLongpressMenu,
     &kTabSwitcherOnReturn,
     &kTabToGTSAnimation,
-    &kTrustedWebActivity,
     &kTrustedWebActivityPostMessage,
-    &kTrustedWebActivityNotificationDelegationEnrolment,
     &kStartSurfaceAndroid,
     &kUmaBackgroundSessions,
     &kUpdateNotificationSchedulingIntegration,
@@ -561,16 +559,9 @@ const base::Feature kTabSwitcherOnReturn{"TabSwitcherOnReturn",
 const base::Feature kTabToGTSAnimation{"TabToGTSAnimation",
                                        base::FEATURE_DISABLED_BY_DEFAULT};
 
-const base::Feature kTrustedWebActivity{"TrustedWebActivity",
-                                        base::FEATURE_ENABLED_BY_DEFAULT};
-
 const base::Feature kTrustedWebActivityPostMessage{
     "TrustedWebActivityPostMessage", base::FEATURE_DISABLED_BY_DEFAULT};
 
-const base::Feature kTrustedWebActivityNotificationDelegationEnrolment{
-    "TrustedWebActivityNotificationDelegationAutoEnrolment",
-    base::FEATURE_ENABLED_BY_DEFAULT};
-
 const base::Feature kStartSurfaceAndroid{"StartSurfaceAndroid",
                                          base::FEATURE_DISABLED_BY_DEFAULT};
 

chrome/browser/android/chrome_feature_list.h

@@ -115,9 +115,7 @@ extern const base::Feature kTabReparenting;
 extern const base::Feature kTabSwitcherLongpressMenu;
 extern const base::Feature kTabSwitcherOnReturn;
 extern const base::Feature kTabToGTSAnimation;
-extern const base::Feature kTrustedWebActivity;
 extern const base::Feature kTrustedWebActivityPostMessage;
-extern const base::Feature kTrustedWebActivityNotificationDelegationEnrolment;
 extern const base::Feature kStartSurfaceAndroid;
 extern const base::Feature kUmaBackgroundSessions;
 extern const base::Feature kUpdateNotificationSchedulingIntegration;

chrome/browser/content_settings/host_content_settings_map_factory.cc

@@ -120,14 +120,11 @@ scoped_refptr<RefcountedKeyedService>
         HostContentSettingsMap::NOTIFICATION_ANDROID_PROVIDER,
         std::move(channels_provider));
 
-    if (base::FeatureList::IsEnabled(chrome::android::
-          kTrustedWebActivityNotificationDelegationEnrolment)) {
     auto webapp_provider = std::make_unique<InstalledWebappProvider>();
     settings_map->RegisterProvider(
         HostContentSettingsMap::INSTALLED_WEBAPP_PROVIDER,
         std::move(webapp_provider));
   }
-  }
 #endif  // defined (OS_ANDROID)
   return settings_map;
 }