Refactor Clank cast code to use MediaNotificationManager

chrome/android/java/src/org/chromium/chrome/browser/media/remote/AbstractMediaRouteController.java

Index: chrome/android/java/src/org/chromium/chrome/browser/media/remote/AbstractMediaRouteController.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/media/remote/AbstractMediaRouteController.java b/chrome/android/java/src/org/chromium/chrome/browser/media/remote/AbstractMediaRouteController.java
index eddf53906936b49f3d72276c9073ee662a86d691..3efc95d6a4cdaa15fd11d64a79a606dbe0edaa68 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/media/remote/AbstractMediaRouteController.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/media/remote/AbstractMediaRouteController.java
@@ -352,16 +352,6 @@ public abstract class AbstractMediaRouteController implements MediaRouteControll
                 && currentRouteSupportsRemotePlayback();
     }
 
-    @Override
-    public void onPause() {
-        pause();
-    }
-
-    @Override
-    public void onPlay() {
-        resume();
-    }
-
     protected void onRouteAddedEvent(MediaRouter router, RouteInfo route) {
     };
 
@@ -380,16 +370,6 @@ public abstract class AbstractMediaRouteController implements MediaRouteControll
     protected abstract void onRouteUnselectedEvent(MediaRouter router, RouteInfo route);
 
     @Override
-    public void onSeek(long position) {
-        seekTo(position);
-    }
-
-    @Override
-    public void onStop() {
-        release();
-    }
-
-    @Override
     public void prepareMediaRoute() {
         startWatchingRouteSelection();
     }