Bug 759416 - XPCOM FileWatcherService. Interface change only. Patch to previous interface changes. sr=bsmedberg

xpcom/io/nsIFile.idl

@@ -465,10 +465,8 @@ interface nsIFile : nsISupports
      *      The listener to call out to when the file updates.
      *      Updated will be recieved on the main thread.
      *
-     *  @return NS_ERROR_FILE_TARGET_DOES_NOT_EXIST if the file
-     *          doesn't exist, NS_NOT_AVAILABLE if there is an
-     *          out-of-memory or other resource failure, NS_OK
-     *          otherwise.
+     *  @return NS_NOT_AVAILABLE if there is an out-of-memory or other
+     *          resource failure, NS_OK otherwise.
      */
     void watch(in nsIFileUpdateListener listener);
 
@@ -483,7 +481,7 @@ interface nsIFile : nsISupports
      *  @param listener
      *      the listener to stop calling out to
      *
-     *  @return NS_ERROR_ILLEGAL_VALUE if the file is not being
+     *  @return NS_NOT_AVAILABLE if the file is not being
      *          watched with the given listener, NS_OK otherwise.
      */
     void unwatch(in nsIFileUpdateListener listener);
@@ -499,7 +497,7 @@ interface nsIFileUpdateListener : nsISupports
      *  processed.
      *
      *  @param type
-     *      The type of update that occured (one of "created" "deleted" "modified" or "unknown").
+     *      The type of update that occured (one of "created" "deleted" or "modified").
      *  @param file
      *      The file which has updated
      */