Keep the media controls panel visible if the overflow menu is visible.

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 dc6d8f748a1f8fc3f69ce10a2a220ae7c3904c58..68e599a5166f92cf66e13372f810bd985b93c91d 100644
--- a/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
+++ b/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
@@ -391,8 +391,8 @@ bool MediaControls::shouldHideMediaControls(unsigned behaviorFlags) const {
   if (!ignoreFocus &&
       (mediaElement().focused() || contains(document().focusedElement())))
     return false;
-  // Don't hide the media controls when the text track list is showing.
-  if (m_textTrackList->isWanted())
+  // Don't hide the media controls when a panel is showing.
+  if (m_textTrackList->isWanted() || m_overflowList->isWanted())
     return false;
   return true;
 }