Cleanup |initTouchEvent| deprecation warning and usecounter

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 327 matching lines @@
 
     case UseCounter::PrefixedPerformanceSetResourceTimingBufferSize:
         return replacedBy("'Performance.webkitSetResourceTimingBufferSize'", "'Performance.setResourceTimingBufferSize'");
 
     case UseCounter::PrefixedPerformanceResourceTimingBufferFull:
         return replacedBy("'Performance.onwebkitresourcetimingbufferfull'", "'Performance.onresourcetimingbufferfull'");
 
     case UseCounter::MediaStreamTrackGetSources:
         return "MediaStreamTrack.getSources is deprecated. See https://www.chromestatus.com/feature/4765305641369600 for more details.";
 
-    case UseCounter::V8TouchEvent_InitTouchEvent_Method:
-        return replacedWillBeRemoved("'TouchEvent.initTouchEvent'", "the TouchEvent constructor", 54, "5730982598541312");
-
     case UseCounter::WebAnimationHyphenatedProperty:
         return "Hyphenated property names in Web Animations keyframes are invalid and therefore ignored. Please use camelCase instead.";
 
     case UseCounter::HTMLKeygenElement:
         return willBeRemoved("The <keygen> element", 54, "5716060992962560");
 
     case UseCounter::WindowPostMessageWithLegacyTargetOriginArgument:
         return replacedWillBeRemoved("'window.postMessage(message, transferables, targetOrigin)'", "'window.postMessage(message, targetOrigin, transferables)'", 54, "5719033043222528");
 
     case UseCounter::EncryptedMediaAllSelectedContentTypesMissingCodecs:
@@ skipping 26 matching lines @@
     case UseCounter::V8SVGSVGElement_Viewport_AttributeGetter:
         return willBeRemoved("SVGSVGElement.viewport", 55, "5686865248124928");
 
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();
     }
 }
 
 } // namespace blink