Remove RTCIceTransportPolicy "none".

third_party/WebKit/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 1264 matching lines @@
     kLoopbackEmbeddedInNonSecureContext = 1653,
     kBlinkMacSystemFont = 1654,
     kRTCConfigurationIceTransportsNone = 1655,
     kRTCIceServerURL = 1656,
     kRTCIceServerURLs = 1657,
     kOffscreenCanvasTransferToImageBitmap2D = 1658,
     kOffscreenCanvasTransferToImageBitmapWebGL = 1659,
     kOffscreenCanvasCommit2D = 1660,
     kOffscreenCanvasCommitWebGL = 1661,
     kRTCConfigurationIceTransportPolicy = 1662,
-    kRTCConfigurationIceTransportPolicyNone = 1663,
     kRTCConfigurationIceTransports = 1664,
     kDocumentFullscreenElementInV0Shadow = 1665,
     kScriptWithCSPBypassingSchemeParserInserted = 1666,
     kScriptWithCSPBypassingSchemeNotParserInserted = 1667,
     kDocumentCreateElement2ndArgStringHandling = 1668,
     kV8MediaRecorder_Start_Method = 1669,
     kWebBluetoothRequestDevice = 1670,
     kUnitlessPerspectiveInPerspectiveProperty = 1671,
     kUnitlessPerspectiveInTransformProperty = 1672,
     kV8RTCSessionDescription_Type_AttributeGetter = 1673,
@@ skipping 347 matching lines @@
     // Tracks what features/properties need to be reported to the legacy
     // histograms.
     BitVector feature_bits_;
     BitVector css_bits_;
   } legacy_counter_;
 };
 
 }  // namespace blink
 
 #endif  // UseCounter_h