Pseudo and non pseudo elements should return correct computed content value

third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  * Copyright (C) 2015 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ skipping 957 matching lines @@
         return CSSValueNoCloseQuote;
     case CLOSE_QUOTE:
         return CSSValueCloseQuote;
     case OPEN_QUOTE:
         return CSSValueOpenQuote;
     }
     ASSERT_NOT_REACHED();
     return CSSValueInvalid;
 }
 
+CSSValueID valueForElementContent(const ElementContent elementContent)

[nainar, 2016/03/21 00:12:08]

Added the mapping here as QuoteType the other enum used in ContentData is also
mapped here.

+{
+    switch (elementContent) {
+    case ContentDataNone:
+        return CSSValueNone;
+    case ContentDataNormal:
+        return CSSValueNormal;
+    }
+    ASSERT_NOT_REACHED();
+    return CSSValueInvalid;
+}
+
 static PassRefPtrWillBeRawPtr<CSSValue> valueForContentData(const ComputedStyle& style)
 {
     RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
+    if (!style.contentData() && style.hasPseudoElementStyle()) {
+        list->append(cssValuePool().createIdentifierValue(CSSValueNormal));
+    }
     for (const ContentData* contentData = style.contentData(); contentData; contentData = contentData->next()) {
         if (contentData->isCounter()) {
             const CounterContent* counter = toCounterContentData(contentData)->counter();
             ASSERT(counter);
             RefPtrWillBeRawPtr<CSSCustomIdentValue> identifier = CSSCustomIdentValue::create(counter->identifier());
             RefPtrWillBeRawPtr<CSSCustomIdentValue> separator = CSSCustomIdentValue::create(counter->separator());
             CSSValueID listStyleIdent = CSSValueNone;
             if (counter->listStyle() != NoneListStyle)
                 listStyleIdent = static_cast<CSSValueID>(CSSValueDisc + counter->listStyle());
             RefPtrWillBeRawPtr<CSSPrimitiveValue> listStyle = cssValuePool().createIdentifierValue(listStyleIdent);
             list->append(CSSCounterValue::create(identifier.release(), listStyle.release(), separator.release()));
         } else if (contentData->isImage()) {
             const StyleImage* image = toImageContentData(contentData)->image();
             ASSERT(image);
             list->append(image->computedCSSValue());
         } else if (contentData->isText()) {
             list->append(CSSStringValue::create(toTextContentData(contentData)->text()));
         } else if (contentData->isQuote()) {
             const QuoteType quoteType = toQuoteContentData(contentData)->quote();
             list->append(cssValuePool().createIdentifierValue(valueForQuoteType(quoteType)));
+        } else if (contentData->isElementContent()) {
+            ElementContent elementContent = toElementContentContentData(contentData)->elementContent();
+            list->append(cssValuePool().createIdentifierValue(valueForElementContent(elementContent)));
         } else {
             ASSERT_NOT_REACHED();
         }
     }
     return list.release();
 }
 
 static PassRefPtrWillBeRawPtr<CSSValue> valueForCounterDirectives(const ComputedStyle& style, CSSPropertyID propertyID)
 {
     const CounterDirectiveMap* map = style.counterDirectives();
@@ skipping 1743 matching lines @@
     case CSSPropertyAll:
         return nullptr;
     default:
         break;
     }
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
 } // namespace blink