Revert of Propagate audible state from player to the containing tab

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 0607b75259558232d60e778e2a637d5b1f46173c..0d206216db7c6efd763c96f0adc77fad049b1dad 100644
--- a/content/browser/media/audio_stream_monitor_unittest.cc
+++ b/content/browser/media/audio_stream_monitor_unittest.cc
@@ -52,13 +52,7 @@
     WebContentsImpl* web_contents = reinterpret_cast<WebContentsImpl*>(
         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_;
   }