ASSERTION FAILED: !style->propertyIsImportant(propertyID) in WebCore::setTextDecorationProperty

Source/core/editing/EditingStyle.cpp

Index: Source/core/editing/EditingStyle.cpp
diff --git a/Source/core/editing/EditingStyle.cpp b/Source/core/editing/EditingStyle.cpp
index eaee4c96f0619f4b97b386fbaab27d297c494dcf..6a67d9d50f595b64c1eb30958a01d52b89a81285 100644
--- a/Source/core/editing/EditingStyle.cpp
+++ b/Source/core/editing/EditingStyle.cpp
@@ -1407,7 +1407,6 @@ static void setTextDecorationProperty(MutableStylePropertySet* style, const CSSV
         style->setProperty(propertyID, newTextDecoration->cssText(), style->propertyIsImportant(propertyID));
     else {
         // text-decoration: none is redundant since it does not remove any text decorations.
-        ASSERT(!style->propertyIsImportant(propertyID));
         style->removeProperty(propertyID);
     }
 }