Bug 1353607. P8 - use TimeUnit in DispatchSetFragmentEndTime(). r=kikuo

MozReview-Commit-ID: IBLT0j7yMLK

--HG--
extra : rebase_source : a441e4f71c7286225deb3cc6719582b912549bd0
extra : intermediate-source : 2b7da6662a5a783e0cb9e574c5a8678c991aa306
extra : source : 0647d6d92deabbc38a22c5e681e71ce92fdd8267

dom/media/MediaDecoder.cpp

@@ -1432,7 +1432,7 @@ MediaDecoder::SetFragmentEndTime(double aTime)
   MOZ_ASSERT(NS_IsMainThread());
   if (mDecoderStateMachine) {
     mDecoderStateMachine->DispatchSetFragmentEndTime(
-      static_cast<int64_t>(aTime * USECS_PER_S));
+      media::TimeUnit::FromSeconds(aTime));
   }
 }
 

dom/media/MediaDecoderStateMachine.h

@@ -189,15 +189,14 @@ public:
 
   RefPtr<ShutdownPromise> BeginShutdown();
 
-  // Set the media fragment end time. aEndTime is in microseconds.
-  void DispatchSetFragmentEndTime(int64_t aEndTime)
+  // Set the media fragment end time.
+  void DispatchSetFragmentEndTime(const media::TimeUnit& aEndTime)
   {
     RefPtr<MediaDecoderStateMachine> self = this;
     nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction([self, aEndTime] () {
       // A negative number means we don't have a fragment end time at all.
-      self->mFragmentEndTime = aEndTime >= 0
-        ? media::TimeUnit::FromMicroseconds(aEndTime)
-        : media::TimeUnit::Invalid();
+      self->mFragmentEndTime = aEndTime >= media::TimeUnit::Zero()
+        ? aEndTime : media::TimeUnit::Invalid();
     });
     OwnerThread()->Dispatch(r.forget());
   }