Bug 1370070 - Avoid unnecessary string creation. r=smaug

MozReview-Commit-ID: LLQQrCpK630
2017-06-09 15:56:35 -07:00
parent dd9d0bb080
commit 36a6b51f90
3 changed files with 19 additions and 5 deletions
--- a/dom/file/FileReader.cpp
+++ b/dom/file/FileReader.cpp
@@ -480,8 +480,8 @@ FileReader::GetAsText(Blob *aBlob,
    }
  }

-  nsDependentCSubstring data(aFileData, aDataLen);
-  return nsContentUtils::ConvertStringFromEncoding(encoding, data, aResult);
+  return nsContentUtils::ConvertStringFromEncoding(
+      encoding, aFileData, aDataLen, aResult);
 }

 nsresult