Move cast overlay CSS selector deprecation deadline to 61.

third_party/WebKit/Source/core/frame/Deprecation.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/frame/Deprecation.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/FrameConsole.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 376 matching lines @@
 
     case UseCounter::
         kServiceWorkerRespondToNavigationRequestWithRedirectedResponse:
       return String::Format(
           "The service worker responded to the navigation request with a "
           "redirected response. This will result in an error in %s.",
           milestoneString(M59));
 
     case UseCounter::kCSSSelectorInternalMediaControlsOverlayCastButton:
       return willBeRemoved(
-          "-internal-media-controls-overlay-cast-button selector", M59,
+          "-internal-media-controls-overlay-cast-button selector", M61,
           "5714245488476160");
 
     case UseCounter::kCSSZoomReset:
       return willBeRemoved("\"zoom: reset\"", M59, "4997605029314560");
 
     case UseCounter::kCSSZoomDocument:
       return willBeRemoved("\"zoom: document\"", M59, "4997605029314560");
 
     case UseCounter::kSelectionAddRangeIntersect:
       return "The behavior that Selection.addRange() merges existing Range and "
@@ skipping 40 matching lines @@
       return willBeRemoved("RTCPeerConnection.getStreamById()", M62,
                            "5751819573657600");
 
     // Features that aren't deprecated don't have a deprecation message.
     default:
       return String();
   }
 }
 
 }  // namespace blink