Migrating media notifications to ChromeNotificationBuilder

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

Index: chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilder.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilder.java b/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilder.java
index 900762f28c3fcc0d3e8a9c8daae2c16921846e26..5ba08d352cab48c64b799fce036be56f19ce46c9 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilder.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationBuilder.java
@@ -9,7 +9,9 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Icon;
+import android.media.session.MediaSession;
 import android.os.Build;
+import android.support.v4.media.session.MediaSessionCompat;
 import android.widget.RemoteViews;
 
 /**
@@ -213,6 +215,26 @@ public class NotificationBuilder implements ChromeNotificationBuilder {
     }
 
     @Override
+    public ChromeNotificationBuilder setGroupSummary(boolean isGroupSummary) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
+            mBuilder.setGroupSummary(isGroupSummary);
+        }
+        return this;
+    }
+
+    @Override
+    public ChromeNotificationBuilder setMediaStyle(MediaSessionCompat session, int[] actions,
+            PendingIntent intent, boolean showCancelButton) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            Notification.MediaStyle style = new Notification.MediaStyle();
+            style.setMediaSession(((MediaSession) session.getMediaSession()).getSessionToken());
+            style.setShowActionsInCompactView(actions);
+            mBuilder.setStyle(style);
+        }
+        return this;
+    }
+
+    @Override
     public Notification buildWithBigContentView(RemoteViews view) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
             return mBuilder.setCustomBigContentView(view).build();