Pseudo and non pseudo elements should return correct computed content value

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

Index: third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
diff --git a/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp b/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
index 0b14e05a0bc946ddeb56fc4fb6d935f0d306b64c..eeb51340597d1610743a6d0b0eb1dd6e276253b8 100644
--- a/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
+++ b/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
@@ -2379,6 +2379,10 @@ PassRefPtrWillBeRawPtr<CSSValue> ComputedStyleCSSValueMapping::get(CSSPropertyID
     case CSSPropertyTextOrientation:
         return CSSPrimitiveValue::create(style.getTextOrientation());
     case CSSPropertyContent:
+        if (style.styleType() == PseudoIdNone)
+            return cssValuePool().createIdentifierValue(CSSValueNormal);
+        if (!style.hasContent() && (style.styleType() == PseudoIdBefore || style.styleType() == PseudoIdAfter))
+            return cssValuePool().createIdentifierValue(CSSValueNone);
         return valueForContentData(style);
     case CSSPropertyCounterIncrement:
         return valueForCounterDirectives(style, propertyID);