Remove some unused functions in core

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 576 matching lines @@
         AudioContextCreateStereoPanner = 647,
         AudioContextCreateWaveShaper = 648,
         AudioContextDecodeAudioData = 649,
         AudioContextResume = 650,
         AudioContextSuspend = 651,
         AudioContext = 652,
         OfflineAudioContext = 653,
         PrefixedAudioContext = 654,
         PrefixedOfflineAudioContext = 655,
         AddEventListenerNoArguments = 656,
-        AddEventListenerOneArgument = 657,
         RemoveEventListenerNoArguments = 658,
-        RemoveEventListenerOneArgument = 659,
         SRIElementWithNonMatchingIntegrityType = 660,
         MixedContentInNonHTTPSFrameThatRestrictsMixedContent = 661,
         MixedContentInSecureFrameThatDoesNotRestrictMixedContent = 662,
         MixedContentWebSocket = 663,
         SyntheticKeyframesInCompositedCSSAnimation = 664,
         MixedContentFormPresent = 665,
         GetUserMediaInsecureOrigin = 666,
         GetUserMediaSecureOrigin = 667,
         // The above items are available in M41 branch.
 
@@ skipping 103 matching lines @@
     bool recordMeasurement(Feature feature) { return m_countBits.recordMeasurement(feature); }
     void updateMeasurements();
 
     CountBits m_countBits;
     BitVector m_CSSFeatureBits;
 };
 
 } // namespace blink
 
 #endif // UseCounter_h