From 30d6ec8cc044a5cbfb77e08d32c1d8b6edaef76c Mon Sep 17 00:00:00 2001
From: Mustafa Emre Acer <[email protected]>
Date: Mon, 16 Mar 2026 13:25:11 -0700
Subject: [PATCH] Disable ligatures for all message banners on Android

This change disables rendering of ligatures in message banners for security and readability. Similar changes were previously made
for the omnibox (crrev.com/c/7199504) and permission dialogs (crrev.com/c/7536052).

Bug: 418273622
Change-Id: I881b013b9b341b889fe764071623247ab41bf7f6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7670344
Commit-Queue: Mustafa Emre Acer <[email protected]>
Reviewed-by: Matthew Jones <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1600082}
---

diff --git a/components/messages/android/internal/BUILD.gn b/components/messages/android/internal/BUILD.gn
index e4004e3..519ec57 100644
--- a/components/messages/android/internal/BUILD.gn
+++ b/components/messages/android/internal/BUILD.gn
@@ -42,6 +42,7 @@
     "//third_party/androidx:androidx_swiperefreshlayout_swiperefreshlayout_java",
     "//ui/accessibility:ax_base_java",
     "//ui/android:ui_full_java",
+    "//ui/android:ui_utils_java",
     "//url:gurl_java",
   ]
 }
diff --git a/components/messages/android/internal/java/src/org/chromium/components/messages/MessageBannerCoordinator.java b/components/messages/android/internal/java/src/org/chromium/components/messages/MessageBannerCoordinator.java
index b5d9b4e..5ee7665 100644
--- a/components/messages/android/internal/java/src/org/chromium/components/messages/MessageBannerCoordinator.java
+++ b/components/messages/android/internal/java/src/org/chromium/components/messages/MessageBannerCoordinator.java
@@ -16,6 +16,7 @@
 import org.chromium.build.annotations.NullMarked;
 import org.chromium.build.annotations.Nullable;
 import org.chromium.components.messages.MessageStateHandler.Position;
+import org.chromium.ui.UiUtils;
 import org.chromium.ui.accessibility.AccessibilityState;
 import org.chromium.ui.listmenu.ListMenuHost.PopupMenuShownListener;
 import org.chromium.ui.modelutil.PropertyModel;
@@ -83,6 +84,8 @@
         view.setSwipeHandler(mMediator);
         view.setPopupMenuShownListener(
                 createPopupMenuShownListener(mTimer, mAutodismissDurationMs.get(), mOnTimeUp));
+
+        UiUtils.disableLigaturesForSecurity(view);
     }
 
     /**