Remove unused MediaControlElementType enum values

Source/modules/accessibility/AXMediaControls.cpp

Index: Source/modules/accessibility/AXMediaControls.cpp
diff --git a/Source/modules/accessibility/AXMediaControls.cpp b/Source/modules/accessibility/AXMediaControls.cpp
index 1e20cd315d51ee17c526c55200995a45e43f0ed8..b80014f56c20a454f0a4830af1efda125aa482ec 100644
--- a/Source/modules/accessibility/AXMediaControls.cpp
+++ b/Source/modules/accessibility/AXMediaControls.cpp
@@ -101,8 +101,6 @@ String AccessibilityMediaControl::accessibilityDescription() const
         return queryString(WebLocalizedString::AXMediaUnMuteButton);
     case MediaPauseButton:
         return queryString(WebLocalizedString::AXMediaPauseButton);
-    case MediaStatusDisplay:
-        return queryString(WebLocalizedString::AXMediaStatusDisplay);
     case MediaCurrentTimeDisplay:
         return queryString(WebLocalizedString::AXMediaCurrentTimeDisplay);
     case MediaTimeRemainingDisplay:
@@ -135,8 +133,6 @@ String AccessibilityMediaControl::helpText() const
         return queryString(WebLocalizedString::AXMediaUnMuteButtonHelp);
     case MediaPauseButton:
         return queryString(WebLocalizedString::AXMediaPauseButtonHelp);
-    case MediaStatusDisplay:
-        return queryString(WebLocalizedString::AXMediaStatusDisplayHelp);
     case MediaCurrentTimeDisplay:
         return queryString(WebLocalizedString::AXMediaCurrentTimeDisplayHelp);
     case MediaTimeRemainingDisplay:
@@ -175,9 +171,6 @@ AccessibilityRole AccessibilityMediaControl::roleValue() const
     case MediaHideClosedCaptionsButton:
         return ButtonRole;
 
-    case MediaStatusDisplay:
-        return StaticTextRole;
-
     case MediaTimelineContainer:
         return GroupRole;