Bug 1407458 - Use nsString for Observation filenames. r=erahm.

This avoids some unnecessary string copying.
2017-10-17 08:22:12 +11:00
parent 750cf8f8ca
commit 1fcd88ad69
6 changed files with 33 additions and 51 deletions
--- a/xpcom/build/MainThreadIOLogger.cpp
+++ b/xpcom/build/MainThreadIOLogger.cpp
@@ -39,10 +39,7 @@ struct ObservationWithStack
    , mStack(aStack)
 #endif
  {
-    const char16_t* filename = aObs.Filename();
-    if (filename) {
-      mFilename = filename;
-    }
+    aObs.Filename(mFilename);
  }

  mozilla::IOInterposeObserver::Observation mObservation;