Remove Element.offsetParent/offsetTop/offsetLeft/offsetWidth/offsetHeight

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 924 matching lines @@
 
     case MediaStreamLabel:
         return "'MediaStream.label' is deprecated and will be removed in M47, around November 2015. Please use 'MediaStream.id' instead.";
 
     case MediaStreamStop:
         return "'MediaStream.stop()' is deprecated and will be removed in M47, around November 2015. Please use 'MediaStream.active' instead.";
 
     case MediaStreamEnded:
         return "'MediaStream.ended' is deprecated and will be removed in M47, around November 2015. Please use 'MediaStream.active' instead.";
 
-    case ElementOffsetParent:
-        return "'Element.offsetParent' is deprecated and will be removed in M47, around Novemver 2015. The offset* attributes are only standardized and widely supported for HTML elements.";
-
-    case ElementOffsetTop:
-        return "'Element.offsetTop' is deprecated and will be removed in M47, around Novemver 2015. The offset* attributes are only standardized and widely supported for HTML elements.";
-
-    case ElementOffsetLeft:
-        return "'Element.offsetLeft' is deprecated and will be removed in M47, around Novemver 2015. The offset* attributes are only standardized and widely supported for HTML elements.";
-
-    case ElementOffsetWidth:
-        return "'Element.offsetWidth' is deprecated and will be removed in M47, around Novemver 2015. The offset* attributes are only standardized and widely supported for HTML elements.";
-
-    case ElementOffsetHeight:
-        return "'Element.offsetHeight' is deprecated and will be removed in M47, around Novemver 2015. The offset* attributes are only standardized and widely supported for HTML elements.";
-
     case PrefixedPerformanceClearResourceTimings:
         return replacedBy("Performance.webkitClearResourceTimings", "Performance.clearResourceTimings");
 
     case PrefixedPerformanceSetResourceTimingBufferSize:
         return replacedBy("Performance.webkitSetResourceTimingBufferSize", "Performance.setResourceTimingBufferSize");
 
     case PrefixedPerformanceResourceTimingBufferFull:
         return replacedBy("Performance.onwebkitresourcetimingbufferfull", "Performance.onresourcetimingbufferfull");
 
     case FetchAPIRequestContext:
@@ skipping 42 matching lines @@
 UseCounter* UseCounter::getFrom(const StyleSheetContents* sheetContents)
 {
     // FIXME: We may want to handle stylesheets that have multiple owners
     //        http://crbug.com/242125
     if (sheetContents && sheetContents->hasSingleOwnerNode())
         return getFrom(sheetContents->singleOwnerDocument());
     return 0;
 }
 
 } // namespace blink