Remove unnecessary refreshCastButtonVisibility call

third_party/WebKit/Source/core/html/shadow/MediaControls.cpp

Index: third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
diff --git a/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp b/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
index 89f8b67ed7531bd47f8619d88d91b4e59aeef7df..ad9607accff4eecd9e1c52ca347c46f62c5da3fd 100644
--- a/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
+++ b/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
@@ -633,7 +633,6 @@ void MediaControls::defaultEventHandler(Event* event) {
     // When we get a mouse move, show the media controls, and start a timer
     // that will hide the media controls after a 3 seconds without a mouse move.
     makeOpaque();
-    refreshCastButtonVisibility();
     if (shouldHideMediaControls(IgnoreVideoHover))
       startHideMediaControlsTimer();
     return;