Reverted the code for the non-interactive audible tab notification

content/browser/media/audio_stream_monitor_unittest.cc

Index: content/browser/media/audio_stream_monitor_unittest.cc
diff --git a/content/browser/media/audio_stream_monitor_unittest.cc b/content/browser/media/audio_stream_monitor_unittest.cc
index 786775dec67e3450cb69fde607124959411b5e6a..f3189af9ed03d31ee9e9d248e5eb58b0b9bef741 100644
--- a/content/browser/media/audio_stream_monitor_unittest.cc
+++ b/content/browser/media/audio_stream_monitor_unittest.cc
@@ -53,12 +53,7 @@ class AudioStreamMonitorTest : public RenderViewHostTestHarness {
         RenderViewHostTestHarness::web_contents());
     web_contents->SetDelegate(&mock_web_contents_delegate_);
 
-    AudioStateProvider* provider =  web_contents->audio_state_provider();
-    ASSERT_TRUE(provider);
-
-    monitor_ = provider->audio_stream_monitor();
-    ASSERT_TRUE(monitor_);
-
+    monitor_ = web_contents->audio_stream_monitor();
     const_cast<base::TickClock*&>(monitor_->clock_) = &clock_;
   }