Add counters for non-standard background presentation attributes on table

third_party/WebKit/Source/core/html/HTMLTablePartElement.cpp

 /**
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 13 matching lines @@
 
 #include "core/html/HTMLTablePartElement.h"
 
 #include "core/CSSPropertyNames.h"
 #include "core/CSSValueKeywords.h"
 #include "core/HTMLNames.h"
 #include "core/css/CSSImageValue.h"
 #include "core/css/StylePropertySet.h"
 #include "core/dom/Document.h"
 #include "core/dom/shadow/FlatTreeTraversal.h"
+#include "core/frame/UseCounter.h"
 #include "core/html/HTMLTableElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "platform/weborigin/Referrer.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 bool HTMLTablePartElement::isPresentationAttribute(
     const QualifiedName& name) const {
   if (name == bgcolorAttr || name == backgroundAttr || name == valignAttr ||
       name == alignAttr || name == heightAttr)
     return true;
   return HTMLElement::isPresentationAttribute(name);
 }
 
 void HTMLTablePartElement::collectStyleForPresentationAttribute(
     const QualifiedName& name,
     const AtomicString& value,
     MutableStylePropertySet* style) {
   if (name == bgcolorAttr) {
     addHTMLColorToStyle(style, CSSPropertyBackgroundColor, value);
   } else if (name == backgroundAttr) {
     String url = stripLeadingAndTrailingHTMLSpaces(value);
     if (!url.isEmpty()) {
+      UseCounter::count(
+          document(),
+          UseCounter::HTMLTableElementPresentationAttributeBackground);
       CSSImageValue* imageValue =
           CSSImageValue::create(url, document().completeURL(url));
       imageValue->setReferrer(Referrer(document().outgoingReferrer(),
                                        document().getReferrerPolicy()));
       style->setProperty(CSSProperty(CSSPropertyBackgroundImage, *imageValue));
     }
   } else if (name == valignAttr) {
     if (equalIgnoringCase(value, "top"))
       addPropertyToPresentationAttributeStyle(style, CSSPropertyVerticalAlign,
                                               CSSValueTop);
@@ skipping 35 matching lines @@
 }
 
 HTMLTableElement* HTMLTablePartElement::findParentTable() const {
   ContainerNode* parent = FlatTreeTraversal::parent(*this);
   while (parent && !isHTMLTableElement(*parent))
     parent = FlatTreeTraversal::parent(*parent);
   return toHTMLTableElement(parent);
 }
 
 }  // namespace blink