diff --git a/mozilla/content/html/document/src/nsHTMLContentSink.cpp b/mozilla/content/html/document/src/nsHTMLContentSink.cpp
index f3272d39752..174baaf1a73 100644
--- a/mozilla/content/html/document/src/nsHTMLContentSink.cpp
+++ b/mozilla/content/html/document/src/nsHTMLContentSink.cpp
@@ -1067,13 +1067,15 @@ nsresult HTMLContentSink::LoadStyleSheet(nsIURL* aURL,
   nsICSSParser* parser;
   nsresult rv = NS_NewCSSParser(&parser);
   if (NS_OK == rv) {
-    PRInt32 ec;
     if (nsnull != mStyleSheet) {
       parser->SetStyleSheet(mStyleSheet);
       // XXX we do probably need to trigger a style change reflow
       // when we are finished if this is adding data to the same sheet
     }
-    nsIStyleSheet* sheet = parser->Parse(&ec, aUIN, mDocumentURL);
+    nsIStyleSheet* sheet = nsnull;
+    // XXX note: we are ignoring rv until the error code stuff in the
+    // input routines is converted to use nsresult's
+    parser->Parse(aUIN, mDocumentURL, sheet);
     if (nsnull != sheet) {
       if (nsnull == mStyleSheet) {
         // Add in the sheet the first time; if we update the sheet
diff --git a/mozilla/layout/html/document/src/nsHTMLContentSink.cpp b/mozilla/layout/html/document/src/nsHTMLContentSink.cpp
index f3272d39752..174baaf1a73 100644
--- a/mozilla/layout/html/document/src/nsHTMLContentSink.cpp
+++ b/mozilla/layout/html/document/src/nsHTMLContentSink.cpp
@@ -1067,13 +1067,15 @@ nsresult HTMLContentSink::LoadStyleSheet(nsIURL* aURL,
   nsICSSParser* parser;
   nsresult rv = NS_NewCSSParser(&parser);
   if (NS_OK == rv) {
-    PRInt32 ec;
     if (nsnull != mStyleSheet) {
       parser->SetStyleSheet(mStyleSheet);
       // XXX we do probably need to trigger a style change reflow
       // when we are finished if this is adding data to the same sheet
     }
-    nsIStyleSheet* sheet = parser->Parse(&ec, aUIN, mDocumentURL);
+    nsIStyleSheet* sheet = nsnull;
+    // XXX note: we are ignoring rv until the error code stuff in the
+    // input routines is converted to use nsresult's
+    parser->Parse(aUIN, mDocumentURL, sheet);
     if (nsnull != sheet) {
       if (nsnull == mStyleSheet) {
         // Add in the sheet the first time; if we update the sheet
diff --git a/mozilla/webshell/src/nsWebWidget.cpp b/mozilla/webshell/src/nsWebWidget.cpp
index aa9e23b99e1..afc1b307571 100644
--- a/mozilla/webshell/src/nsWebWidget.cpp
+++ b/mozilla/webshell/src/nsWebWidget.cpp
@@ -259,8 +259,9 @@ nsresult WebWidgetImpl::InitUAStyleSheet(void)
           rv = NS_NewCSSParser(&css);
           if (NS_OK == rv) {
             // Parse the input and produce a style set
-            mUAStyleSheet = css->Parse(&ec, uin, uaURL);
-
+            // XXX note: we are ignoring rv until the error code stuff in the
+            // input routines is converted to use nsresult's
+            css->Parse(uin, uaURL, mUAStyleSheet);
             NS_RELEASE(css);
           }
           NS_RELEASE(uin);