Add counters for non-standard background presentation attributes on table

third_party/WebKit/Source/core/html/HTMLTableElement.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, 2008, 2010, 2011 Apple Inc. All rights
  * reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 20 matching lines @@
 #include "core/HTMLNames.h"
 #include "core/css/CSSIdentifierValue.h"
 #include "core/css/CSSImageValue.h"
 #include "core/css/CSSInheritedValue.h"
 #include "core/css/StylePropertySet.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/NodeListsNodeData.h"
 #include "core/dom/StyleChangeReason.h"
+#include "core/frame/UseCounter.h"
 #include "core/html/HTMLTableCaptionElement.h"
 #include "core/html/HTMLTableCellElement.h"
 #include "core/html/HTMLTableRowElement.h"
 #include "core/html/HTMLTableRowsCollection.h"
 #include "core/html/HTMLTableSectionElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "platform/weborigin/Referrer.h"
 #include "wtf/StdLibExtras.h"
 
 namespace blink {
@@ skipping 258 matching lines @@
         style, CSSPropertyBorderWidth, parseBorderWidthAttribute(value),
         CSSPrimitiveValue::UnitType::Pixels);
   } else if (name == bordercolorAttr) {
     if (!value.isEmpty())
       addHTMLColorToStyle(style, CSSPropertyBorderColor, value);
   } else 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 (!value.isEmpty())
       addPropertyToPresentationAttributeStyle(style, CSSPropertyVerticalAlign,
                                               value);
@@ skipping 277 matching lines @@
 const AtomicString& HTMLTableElement::summary() const {
   return getAttribute(summaryAttr);
 }
 
 DEFINE_TRACE(HTMLTableElement) {
   visitor->trace(m_sharedCellStyle);
   HTMLElement::trace(visitor);
 }
 
 }  // namespace blink