Migrating media notifications to ChromeNotificationBuilder

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

Index: chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationCompatBuilder.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationCompatBuilder.java b/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationCompatBuilder.java
index 58991a3331cd60aefc4016b8ee77604572ab2c93..1b9f7a0260b20e0d043eb1a5e1f3e3d03e5ea040 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationCompatBuilder.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/notifications/NotificationCompatBuilder.java
@@ -9,7 +9,8 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Icon;
-import android.support.v4.app.NotificationCompat;
+import android.support.v4.media.session.MediaSessionCompat;
+import android.support.v7.app.NotificationCompat;
 import android.widget.RemoteViews;
 
 /**
@@ -189,6 +190,24 @@ public class NotificationCompatBuilder implements ChromeNotificationBuilder {
     }
 
     @Override
+    public ChromeNotificationBuilder setGroupSummary(boolean isGroupSummary) {
+        mBuilder.setGroupSummary(isGroupSummary);
+        return this;
+    }
+
+    @Override
+    public ChromeNotificationBuilder setMediaStyle(MediaSessionCompat session, int[] actions,
+            PendingIntent intent, boolean showCancelButton) {
+        NotificationCompat.MediaStyle style = new NotificationCompat.MediaStyle();
+        style.setMediaSession(session.getSessionToken());
+        style.setShowActionsInCompactView(actions);
+        style.setCancelButtonIntent(intent);
+        style.setShowCancelButton(showCancelButton);
+        mBuilder.setStyle(style);
+        return this;
+    }
+
+    @Override
     public Notification buildWithBigContentView(RemoteViews view) {
         return mBuilder.setCustomBigContentView(view).build();
     }