Deprecate document.defaultCharset (to be removed in M50)

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 943 matching lines @@
 
     case V8SVGElement_OffsetHeight_AttributeGetter:
         return willBeRemoved("'SVGElement.offsetHeight'", 50, "5724912467574784");
 
     case MediaStreamTrackGetSources:
         return "MediaStreamTrack.getSources is deprecated. See https://www.chromestatus.com/feature/4765305641369600 for more details.";
 
     case CSSXGetComputedStyleQueries:
         return replacedWillBeRemoved("'getComputedStyle(e).cssXx' (except .cssFloat)", "'getComputedStyle(e).xx'", 50, "5006796888473600");
 
+    case DocumentDefaultCharset:
+        return willBeRemoved("'Document.defaultCharset'", 50, "6217124578066432");
+
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();
     }
 }
 
 void UseCounter::count(CSSParserMode cssParserMode, CSSPropertyID feature)
 {
     ASSERT(feature >= firstCSSProperty);
     ASSERT(feature <= lastUnresolvedCSSProperty);
@@ skipping 27 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