[Android] Remove SYNC_ERROR_INFOBAR_ANDROID feature flag

This feature was launched to 100 percent stable. This cl removes the
java side of the feature flag.

Bug: 1096011
Change-Id: Ib836eee0e256d541b30ed3ac6bb17324335c1640
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2266879
Commit-Queue: Tanmoy Mollik <triploblastic@chromium.org>
Reviewed-by: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#782932}

chrome/android/java/src/org/chromium/chrome/browser/infobar/SyncErrorInfoBar.java

@@ -18,7 +18,6 @@ import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.NativeMethods;
 import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.chrome.R;
-import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.browser.settings.SettingsLauncher;
 import org.chromium.chrome.browser.settings.SettingsLauncherImpl;
 import org.chromium.chrome.browser.sync.ProfileSyncService;
@@ -142,8 +141,7 @@ public class SyncErrorInfoBar
      * Calls native side code to create an infobar.
      */
     public static void maybeLaunchSyncErrorInfoBar(WebContents webContents) {
-        if (!ChromeFeatureList.isEnabled(ChromeFeatureList.SYNC_ERROR_INFOBAR_ANDROID)
-                || webContents == null) {
+        if (webContents == null) {
             return;
         }
         @SyncErrorInfoBarType

chrome/android/javatests/src/org/chromium/chrome/browser/infobar/SyncErrorInfoBarTest.java

@@ -16,7 +16,6 @@ import org.chromium.base.ContextUtils;
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.Feature;
 import org.chromium.chrome.browser.SyncFirstSetupCompleteSource;
-import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.browser.flags.ChromeSwitches;
 import org.chromium.chrome.browser.sync.FakeProfileSyncService;
 import org.chromium.chrome.browser.sync.GoogleServiceAuthError;
@@ -26,7 +25,6 @@ import org.chromium.chrome.browser.sync.settings.SyncSettingsUtils.SyncError;
 import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
 import org.chromium.chrome.test.util.ChromeRenderTestRule;
 import org.chromium.chrome.test.util.InfoBarUtil;
-import org.chromium.chrome.test.util.browser.Features;
 import org.chromium.chrome.test.util.browser.sync.SyncTestUtil;
 import org.chromium.components.embedder_support.util.UrlConstants;
 import org.chromium.content_public.browser.test.util.TestThreadUtils;
@@ -39,7 +37,6 @@ import java.io.IOException;
 @RunWith(ChromeJUnit4ClassRunner.class)
 @CommandLineFlags
         .Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})
-        @Features.EnableFeatures({ChromeFeatureList.SYNC_ERROR_INFOBAR_ANDROID})
         public class SyncErrorInfoBarTest {
     private FakeProfileSyncService mFakeProfileSyncService;
 

chrome/browser/flags/android/java/src/org/chromium/chrome/browser/flags/ChromeFeatureList.java

@@ -388,7 +388,6 @@ public abstract class ChromeFeatureList {
     public static final String SHARE_BUTTON_IN_TOP_TOOLBAR = "ShareButtonInTopToolbar";
     public static final String SHARED_CLIPBOARD_UI = "SharedClipboardUI";
     public static final String SHARING_QR_CODE_ANDROID = "SharingQrCodeAndroid";
-    public static final String SYNC_ERROR_INFOBAR_ANDROID = "SyncErrorInfoBarAndroid";
     public static final String SHOW_TRUSTED_PUBLISHER_URL = "ShowTrustedPublisherURL";
     public static final String SPANNABLE_INLINE_AUTOCOMPLETE = "SpannableInlineAutocomplete";
     public static final String START_SURFACE_ANDROID = "StartSurfaceAndroid";