Merge "Let deduplicateRootJob() accept JobSpecification for consistency"

diff --cc includes/jobqueue/JobQueueRedis.php
index 2e20660,b3ffa3c..ea94226
--- 1/includes/jobqueue/JobQueueRedis.php
--- 2/includes/jobqueue/JobQueueRedis.php
+++ b/includes/jobqueue/JobQueueRedis.php
@@@ -402,14 -400,13 +402,14 @@@ LUA
  
        /**
         * @see JobQueue::doDeduplicateRootJob()
-        * @param Job $job
+        * @param IJobSpecification $job
         * @return bool
 -       * @throws MWException|JobQueueError
 +       * @throws JobQueueError
 +       * @throws LogicException
         */
-       protected function doDeduplicateRootJob( Job $job ) {
+       protected function doDeduplicateRootJob( IJobSpecification $job ) {
                if ( !$job->hasRootJobParams() ) {
 -                      throw new MWException( "Cannot register root job; missing parameters." );
 +                      throw new LogicException( "Cannot register root job; missing parameters." );
                }
                $params = $job->getRootJobParams();