remove obsolete todo note for CSS property to histogram id mapping

third_party/WebKit/Source/core/frame/UseCounter.cpp

 /*
  * 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 25 matching lines @@
 #include "core/inspector/ConsoleMessage.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "platform/Histogram.h"
 
 namespace blink {
 
 static int totalPagesMeasuredCSSSampleId() { return 1; }
 
 int UseCounter::m_muteCount = 0;
 
-// FIXME : This mapping should be autogenerated. This function should
-//         be moved to a separate file and a script run at build time
-//         to detect new values in CSSPropertyID and add them to the
-//         end of this function. This file would be checked in.
-//         https://code.google.com/p/chromium/issues/detail?id=234940
 int UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(int id)
 {
     CSSPropertyID cssPropertyID = static_cast<CSSPropertyID>(id);
 
     switch (cssPropertyID) {
     // Begin at 2, because 1 is reserved for totalPagesMeasuredCSSSampleId.
     case CSSPropertyColor: return 2;
     case CSSPropertyDirection: return 3;
     case CSSPropertyDisplay: return 4;
     case CSSPropertyFont: return 5;
@@ skipping 717 matching lines @@
 UseCounter* UseCounter::getFrom(const StyleSheetContents* sheetContents)
 {
     // FIXME: We may want to handle stylesheets that have multiple owners
     //        https://crbug.com/242125
     if (sheetContents && sheetContents->hasSingleOwnerNode())
         return getFrom(sheetContents->singleOwnerDocument());
     return 0;
 }
 
 } // namespace blink