Ignore MediaController in the muted/volume controls logic

Source/core/html/shadow/MediaControls.cpp

Index: Source/core/html/shadow/MediaControls.cpp
diff --git a/Source/core/html/shadow/MediaControls.cpp b/Source/core/html/shadow/MediaControls.cpp
index 81ab4cb426c2f42ec7c1cf9584b943e4cfd9a046..acaabef0dfb1628c2081e83eee5c82589d48ee69 100644
--- a/Source/core/html/shadow/MediaControls.cpp
+++ b/Source/core/html/shadow/MediaControls.cpp
@@ -183,12 +183,11 @@ void MediaControls::reset()
     m_timeline->setDuration(mediaControllerInterface().duration());
     m_timeline->setPosition(mediaControllerInterface().currentTime());
 
-    if (!mediaControllerInterface().hasAudio()) {
+    if (!mediaElement().hasAudio())
         m_volumeSlider->hide();
-    } else {
+    else
         m_volumeSlider->show();
-        m_volumeSlider->setVolume(mediaControllerInterface().volume());
-    }
+    updateVolume();
 
     refreshClosedCaptionsButtonVisibility();
 
@@ -303,21 +302,16 @@ void MediaControls::updateCurrentTimeDisplay()
     m_currentTimeDisplay->setCurrentValue(now);
 }
 
-void MediaControls::changedMute()
+void MediaControls::updateVolume()
 {
     m_muteButton->updateDisplayType();
+    if (m_muteButton->renderer())
+        m_muteButton->renderer()->repaint();
 
-    if (mediaControllerInterface().muted())
+    if (mediaElement().muted())
         m_volumeSlider->setVolume(0);
     else
-        m_volumeSlider->setVolume(mediaControllerInterface().volume());
-}
-
-void MediaControls::changedVolume()
-{
-    m_volumeSlider->setVolume(mediaControllerInterface().volume());
-    if (m_muteButton->renderer())
-        m_muteButton->renderer()->repaint();
+        m_volumeSlider->setVolume(mediaElement().volume());
 }
 
 void MediaControls::changedClosedCaptionsVisibility()