Reverted the code for the non-interactive audible tab notification

chrome/app/android/chrome_main_delegate_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/app/android/chrome_main_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/trace_event/trace_event.h"
 #include "chrome/browser/android/chrome_startup_flags.h"
 #include "chrome/browser/android/metrics/uma_utils.h"
 #include "chrome/browser/android/metrics/uma_utils.h"
 #include "chrome/browser/media/android/remote/remote_media_player_manager.h"
 #include "components/startup_metric_utils/startup_metric_utils.h"
 #include "content/browser/media/android/browser_media_player_manager.h"
 #include "content/public/browser/browser_main_runner.h"
 
 namespace {
 
 content::BrowserMediaPlayerManager* CreateRemoteMediaPlayerManager(
-    content::RenderFrameHost* render_frame_host,
-    content::MediaPlayersObserver* audio_monitor) {
-  return new remote_media::RemoteMediaPlayerManager(render_frame_host,
-                                                    audio_monitor);
+    content::RenderFrameHost* render_frame_host) {
+  return new remote_media::RemoteMediaPlayerManager(render_frame_host);
 }
 
 } // namespace
 
 // ChromeMainDelegateAndroid is created when the library is loaded. It is always
 // done in the process's main Java thread. But for non browser process, e.g.
 // renderer process, it is not the native Chrome's main thread.
 ChromeMainDelegateAndroid::ChromeMainDelegateAndroid() {
 }
 
@@ skipping 27 matching lines @@
 }
 
 bool ChromeMainDelegateAndroid::BasicStartupComplete(int* exit_code) {
   SetChromeSpecificCommandLineFlags();
 
   content::BrowserMediaPlayerManager::RegisterFactory(
       &CreateRemoteMediaPlayerManager);
 
   return ChromeMainDelegate::BasicStartupComplete(exit_code);
 }