📰 Show the Sign In promo as a separate card from the section

chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java b/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
index 26b78d97e0cda606ccd6f5b686ae161facfdf7a1..d62c7bd2be7899ddcc3cb27b8ebd167bee452798 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/signin/SigninManager.java
@@ -16,6 +16,7 @@
 import org.chromium.base.ObserverList;
 import org.chromium.base.Promise;
 import org.chromium.base.ThreadUtils;
+import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.base.metrics.RecordUserAction;
@@ -643,6 +644,11 @@ public static String extractDomainName(String email) {
         return nativeExtractDomainName(email);
     }
 
+    @VisibleForTesting
+    public static void setInstanceForTesting(SigninManager signinManager) {
+        sSigninManager = signinManager;
+    }
+
     // Native methods.
     private static native String nativeExtractDomainName(String email);
     private static native boolean nativeShouldLoadPolicyForUser(String username);