Deprecate all -internal-media-controls-* currently expose to web contents.

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/FrameHost.h"
@@ skipping 376 matching lines @@
     case UseCounter::HTMLObjectElementLegacyCall:
       return willBeRemoved("HTMLObjectElement legacy caller", M58,
                            "5715026367217664");
     case UseCounter::
         ServiceWorkerRespondToNavigationRequestWithRedirectedResponse:
       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::CSSSelectorInternalMediaControlsCastButton:
+      return willBeRemoved("-internal-media-controls-cast-button selector", M59,
+                           "5734009183141888");
+
+    case UseCounter::CSSSelectorInternalMediaControlsOverlayCastButton:
+      return willBeRemoved(
+          "-internal-media-controls-overlay-cast-button selector", M59,
+          "5714245488476160");
+
+    case UseCounter::CSSSelectorInternalMediaControlsTextTrackList:
+    case UseCounter::CSSSelectorInternalMediaControlsTextTrackListItem:
+    case UseCounter::CSSSelectorInternalMediaControlsTextTrackListItemInput:
+    case UseCounter::CSSSelectorInternalMediaControlsTextTrackListKindCaptions:
+    case UseCounter::CSSSelectorInternalMediaControlsTextTrackListKindSubtitles:
+      return willBeRemoved(
+          "-internal-media-controls-text-track-list* selectors", M59,
+          "5661431349379072");
+
     // Features that aren't deprecated don't have a deprecation message.
     default:
       return String();
   }
 }
 
 }  // namespace blink