C++ side of fix for bug 100212 - move consumers of nsIFile.URL into nsIIOService. r=dougt, sr=darin

git-svn-id: svn://10.0.0.236/trunk@111529 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/modules/plugin/base/src/nsPluginViewer.cpp

@@ -1081,7 +1081,7 @@ NS_IMETHODIMP pluginInstanceOwner::GetURL(const char *aURL, const char *aTarget,
     if (isFile) {
       // convert file:///c:/ to c: if needed
       nsCOMPtr<nsILocalFile> aFile = do_CreateInstance(NS_LOCAL_FILE_CONTRACTID);
-      if (NS_SUCCEEDED(aFile->SetURL(dataToPost)) &&
+      if (NS_SUCCEEDED(NS_InitFileFromURLSpec(aFile,dataToPost)) &&
           NS_SUCCEEDED(aFile->GetPath(getter_Copies(filename))))
           dataToPost = filename;
     }