Remove the TextTrackCue constructor

Source/core/frame/UseCounter.h

 /*
  * Copyright (C) 2012 Google, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 194 matching lines @@
         PrefixedElementRequestFullScreen = 177,
         BarPropLocationbar = 178,
         BarPropMenubar = 179,
         BarPropPersonalbar = 180,
         BarPropScrollbars = 181,
         BarPropStatusbar = 182,
         BarPropToolbar = 183,
         InputTypeEmailMultiple = 184,
         InputTypeEmailMaxLength = 185,
         InputTypeEmailMultipleMaxLength = 186,
-        TextTrackCueConstructor = 187,
         CSSStyleDeclarationPropertyName = 188, // Removed in CSSOM.
         CSSStyleDeclarationFloatPropertyName = 189, // Pending removal in CSSOM.
         InputTypeText = 190,
         InputTypeTextMaxLength = 191,
         InputTypePassword = 192,
         InputTypePasswordMaxLength = 193,
         SVGInstanceRoot = 194,
         ShowModalDialog = 195,
         PrefixedPageVisibility = 196,
         HTMLFrameElementLocation = 197,
@@ skipping 118 matching lines @@
 
     void updateMeasurements();
 
     OwnPtr<BitVector> m_countBits;
     BitVector m_CSSFeatureBits;
 };
 
 } // namespace WebCore
 
 #endif // UseCounter_h