Remove CSS media features -webkit-transform-2d, -webkit-animation and -webkit-view-mode

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 228 matching lines @@
         PrefixedInitMessageEvent = 223,
         ElementSetPrefix = 224, // Element.prefix is readonly in DOM4.
         CSSStyleDeclarationGetPropertyCSSValue = 225,
         PrefixedMediaCancelKeyRequest = 229,
         DOMImplementationHasFeature = 230,
         DOMImplementationHasFeatureReturnFalse = 231,
         CanPlayTypeKeySystem = 232,
         PrefixedDevicePixelRatioMediaFeature = 233,
         PrefixedMaxDevicePixelRatioMediaFeature = 234,
         PrefixedMinDevicePixelRatioMediaFeature = 235,
-        PrefixedTransform2dMediaFeature = 236,
         PrefixedTransform3dMediaFeature = 237,
-        PrefixedAnimationMediaFeature = 238,
-        PrefixedViewModeMediaFeature = 239,
         PrefixedStorageQuota = 240,
         ContentSecurityPolicyReportOnlyInMeta = 241,
         ResetReferrerPolicy = 243,
         CaseInsensitiveAttrSelectorMatch = 244, // Case-insensitivity dropped from specification.
         CaptureAttributeAsBoolean = 245,
         FormNameAccessForImageElement = 246,
         FormNameAccessForPastNamesMap = 247,
         FormAssociationByParser = 248,
         SVGSVGElementInDocument = 250,
         SVGDocumentRootElement = 251,
@@ skipping 214 matching lines @@
 
     void updateMeasurements();
 
     OwnPtr<BitVector> m_countBits;
     BitVector m_CSSFeatureBits;
 };
 
 } // namespace WebCore
 
 #endif // UseCounter_h