Keep overlay cast button visible long enough for user action

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 5c6780b58c0879ead0b2c7f1b7cb4b62ca04ca7c..3d590fab34d98ac4e65cfa365996b626eb36a30c 100644
--- a/Source/core/html/shadow/MediaControls.cpp
+++ b/Source/core/html/shadow/MediaControls.cpp
@@ -308,7 +308,6 @@ void MediaControls::makeOpaque()
 void MediaControls::makeTransparent()
 {
     m_panel->makeTransparent();
-    m_overlayCastButton->setIsWanted(false);
 }
 
 bool MediaControls::shouldHideMediaControls(unsigned behaviorFlags) const
@@ -605,6 +604,7 @@ void MediaControls::hideMediaControlsTimerFired(Timer<MediaControls>*)
         return;
 
     makeTransparent();
+    m_overlayCastButton->setIsWanted(false);
 }
 
 void MediaControls::startHideMediaControlsTimer()