Add Interstitial for user consent

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBroadcastService.java

Index: chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBroadcastService.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBroadcastService.java b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBroadcastService.java
index 0943ed7d5310a794f2e05e0d482ac8e208085877..773311339c0a18f2a3565631662589c514707195 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBroadcastService.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBroadcastService.java
@@ -79,6 +79,16 @@ public class PhysicalWebBroadcastService extends Service {
         }
     };
 
+    /**
+     * Starts the PhysicalWebBroadcastService.
+     */
+    public static void startBroadcastService(String url) {
+        Context context = ContextUtils.getApplicationContext();
+        Intent intent = new Intent(context, PhysicalWebBroadcastService.class);
+        intent.putExtra(DISPLAY_URL_KEY, url);
+        context.startService(intent);
+    }
+
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
         String displayUrl = fetchDisplayUrl(intent);