🔍 Introduce default search engine dialog

chrome/android/java/src/org/chromium/chrome/browser/widget/PromoDialog.java

Index: chrome/android/java/src/org/chromium/chrome/browser/widget/PromoDialog.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/PromoDialog.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/PromoDialog.java
index f1abf4f49a4471057d177d00be6adf6bc77496b2..1458c6accbdef5c70d2253ef94fbe12d814f53d9 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/widget/PromoDialog.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/widget/PromoDialog.java
@@ -15,6 +15,7 @@ import android.widget.FrameLayout;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.infobar.InfoBarControlLayout;
 
 /**
  * Generic builder for promo dialogs.
@@ -32,6 +33,9 @@ public abstract class PromoDialog
         /** Optional: Resource ID of the String to show as descriptive text. */
         public int subheaderStringResource;
 
+        /** Optional: Resource ID of the String to show as footer text. */
+        public int footerStringResource;
+
         /** Optional: Resource ID of the String to show on the primary/ok button. */
         public int primaryButtonStringResource;
 
@@ -56,6 +60,11 @@ public abstract class PromoDialog
         mDialogLayout.initialize(getDialogParams());
     }
 
+    /** Add a standardized set of dialog controls. */
+    protected InfoBarControlLayout addControlLayout() {
+        return mDialogLayout.addControlLayout();
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);