Serialize the text-decoration shorthand

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

Index: third_party/WebKit/Source/core/css/StylePropertySerializer.cpp
diff --git a/third_party/WebKit/Source/core/css/StylePropertySerializer.cpp b/third_party/WebKit/Source/core/css/StylePropertySerializer.cpp
index 2c59dc31127b83c85e862b9936a5b66119ffe816..c16a818706da9ac4c69ff17cbf426756a5a096b0 100644
--- a/third_party/WebKit/Source/core/css/StylePropertySerializer.cpp
+++ b/third_party/WebKit/Source/core/css/StylePropertySerializer.cpp
@@ -337,6 +337,7 @@ static bool allowInitialInShorthand(CSSPropertyID propertyID) {
     case CSSPropertyOffset:
     case CSSPropertyWebkitMarginCollapse:
     case CSSPropertyListStyle:
+    case CSSPropertyTextDecoration:
     case CSSPropertyWebkitTextEmphasis:
     case CSSPropertyWebkitTextStroke:
       return true;
@@ -489,6 +490,8 @@ String StylePropertySerializer::getPropertyValue(
       return getCommonValue(overflowShorthand());
     case CSSPropertyPadding:
       return get4Values(paddingShorthand());
+    case CSSPropertyTextDecoration:
+      return getShorthandValue(textDecorationShorthand());
     case CSSPropertyTransition:
       return getLayeredShorthandValue(transitionShorthand());
     case CSSPropertyListStyle: