Bug 1190735 - Remove nsITimer.TYPE_REPEATING_PRECISE. r=froydnj.

xpcom/threads/TimerThread.cpp

@@ -709,16 +709,9 @@ TimerThread::PostTimerEvent(already_AddRefed<nsTimerImpl> aTimerRef)
   }
 
   // If this is a repeating precise timer, we need to calculate the time for
-  // the next timer to fire before we make the callback.
+  // the next timer to fire before we make the callback. But don't re-arm.
   if (timer->IsRepeatingPrecisely()) {
     timer->SetDelayInternal(timer->mDelay);
-
-    // But only re-arm REPEATING_PRECISE timers.
-    if (timer->mType == nsTimerImpl::TYPE_REPEATING_PRECISE) {
-      if (AddTimerInternal(timer) == -1) {
-        return timer.forget();
-      }
-    }
   }
 
 #ifdef MOZ_TASK_TRACER