[cr147] enable_glic flag was removed.

Chromium change:
https://source.chromium.org/chromium/chromium/src/+/ee6ef424

commit ee6ef424af5693c4ebc81a7ecf04214015eaaee1
Author: Kene Okoye <kenok@google.com>
Date:   Tue Mar 3 07:47:48 2026 -0800

    [EnableGlicCleanup] Remove buildflag from features.gni

    Fixed: b:487325632 b:486982086

browser/ui/BUILD.gn

@@ -676,6 +676,7 @@ source_set("ui") {
       "//chrome/browser:shell_integration",
       "//chrome/browser/devtools",
       "//chrome/browser/enterprise/watermark:watermark_view_lib",
+      "//chrome/browser/glic",
       "//chrome/browser/sharing_hub",
       "//chrome/browser/ui/download",
       "//chrome/browser/ui/exclusive_access",
@@ -690,10 +691,6 @@ source_set("ui") {
       "//components/bookmarks/browser",
     ]
 
-    if (enable_glic) {
-      deps += [ "//chrome/browser/glic" ]
-    }
-
     if (enable_brave_vpn) {
       deps += [ "//brave/browser/ui/brave_vpn" ]
 

test/filters/browser_tests.filter

@@ -2427,18 +2427,6 @@
 # bad cert hash that the test sets isn't getting compared to anything.
 -PKPModelClientTest.PKPEnforced
 
-# This test fails because we set enable_glic to false.
--ActorPageContextMetricsTest.*
--ActorSitePolicyBrowserTest.*
--ActorSitePolicyDelayedWarningBrowserTest.*
--ActorSitePolicyNoSafetyChecksBrowserTest.*
--ActorSitePolicySafeBrowsingBrowserTest.*
--ExtensionApiTestWithFlags.ExtensionExperimentalActor
--GlicInstanceCoordinatorBrowserTest.*
--GlicInstanceCoordinatorTrustFirstOnboardingArm1BrowserTest.*
--GlicTabSubMenuModelTest.UnpinThenNavigateToOtherTabAndRemainsUnpinned
--GlicUserStatusBrowserTest.ClientDataHeaderExists
-
 # These tests fail because we change BACKGROUND_SYNC content setting to be
 # BLOCKED by default. This prevents reports from being sent.
 -All/JSCallStackReportingBrowserTest.IframeUnresponsiveWithJSCallStackNotOptedIn/*

test/filters/unit_tests.filter

@@ -685,9 +685,6 @@
 -TabRendererDataTest.FromTabInModel
 -TabRendererDataTest.TabLifecycleManagement
 
-# This test fails because we set enable_glic to false
--ActorSitePolicyTest.*
-
 # These tests fail because we disable popular site suggestions functionality
 -MostVisitedSitesTest.ShouldDeduplicatePopularSitesWithMostVisitedIffHostAndTitleMatches
 -MostVisitedSitesTest.ShouldHandleTopSitesCacheHit