Implement privacy disclosure for an unbound webapk.

chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilderBase.java

Index: chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilderBase.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilderBase.java b/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilderBase.java
index 4d86567f7987f28766a92ecb04e44eb803cf0863..be22dc30a9234c448a64b51ddef10d3453db28a0 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilderBase.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilderBase.java
@@ -122,7 +122,7 @@ public abstract class NotificationBuilderBase {
     protected long[] mVibratePattern;
     protected long mTimestamp;
     protected boolean mRenotify;
-
+    protected int mVisibility;
     private Bitmap mLargeIcon;
 
     public NotificationBuilderBase(Resources resources) {
@@ -299,6 +299,15 @@ public abstract class NotificationBuilderBase {
     }
 
     /**
+     * Sets the visibility of the notification (if set to private, overrides \setDefaults| and
+     * |setVibrate|)
+     */
+    public NotificationBuilderBase setVisibility(int visibility) {
+        mVisibility = visibility;
+        return this;
+    }
+
+    /**
      * Sets the timestamp at which the event of the notification took place.
      */
     public NotificationBuilderBase setTimestamp(long timestamp) {