Bug 311827: Make GetAttr return a bool rather then an nsresult.

r/sr=bz


git-svn-id: svn://10.0.0.236/trunk@183185 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/content/html/document/src/nsHTMLDocument.cpp

@@ -2446,15 +2446,8 @@ nsHTMLDocument::MatchNameAttribute(nsIContent* aContent, PRInt32 aNamespaceID,
 {
   NS_PRECONDITION(aContent, "Must have content node to work with!");
   
-  // Getting attrs is expensive, so use HasAttr() first.
-  if (!aContent->HasAttr(kNameSpaceID_None, nsHTMLAtoms::name)) {
-    return PR_FALSE;
-  }
-
-  nsAutoString value;
-  nsresult rv = aContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::name, value);
-
-  return NS_SUCCEEDED(rv) && value.Equals(aData);
+  return aContent->AttrValueIs(kNameSpaceID_None, nsHTMLAtoms::name, aData,
+                               eCaseMatters);
 }
 
 NS_IMETHODIMP