Underscore C in "Cast..." in hotdog menu on Windows

chrome/app/media_router_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Media Router-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- General -->
   <message name="IDS_MEDIA_ROUTER_TITLE" desc="Title of a dialog offering possible actions for Media Router, which enables users to mirror individual tabs or desktop as well as cast content to a device.">
     Media Router
   </message>
   <message name="IDS_MEDIA_ROUTER_ICON_TOOLTIP_TEXT" desc="Tooltip for the Media Router Action icon, which appears in the toolbar. The tooltip appears on mouseover of the icon.">
    Display on another screen
   </message>
   <message name="IDS_MEDIA_ROUTER_MENU_ITEM_TITLE" desc="Title of menu item for Media Router, which appears in the overflow menu and page contextual menus.">
-    Cast...
+    &amp;Cast...
   </message>
   <message name="IDS_MEDIA_ROUTER_LEARN_MORE" desc="Text of a menu item or link which, on click, opens a page with more information or relevant help center page.">
    Learn more
   </message>
 
   <!-- Button Titles -->
   <message name="IDS_MEDIA_ROUTER_BACK_BUTTON_TITLE" desc="Back button title, which is spoken when a screen reader is being used.">
     Back
   </message>
   <message name="IDS_MEDIA_ROUTER_CLOSE_BUTTON_TITLE" desc="Close button title, which is spoken when a screen reader is being used.">
@@ skipping 117 matching lines @@
   </message>
 
   <!-- Sink Search -->
   <message name="IDS_MEDIA_ROUTER_SEARCH_LABEL" desc="Label for search input in sink list.">
     Search
   </message>
   <message name="IDS_MEDIA_ROUTER_SEARCH_NO_MATCHES" desc="Text to display when there are no sinks matching the user input search text.">
     No matches
   </message>
 </grit-part>