Bug 1105913 - [b2g] video can't playback after waking up from the dormant state, part 2 : revert changeset. r=roc.

dom/media/MediaDecoder.cpp

@@ -295,20 +295,18 @@ void MediaDecoder::DestroyDecodedStream()
     // be careful not to send any messages after the Destroy().
     if (os.mStream->IsDestroyed()) {
       // Probably the DOM MediaStream was GCed. Clean up.
-      if (os.mPort) {
+      MOZ_ASSERT(os.mPort, "Double-delete of the ports!");
       os.mPort->Destroy();
-      }
       mOutputStreams.RemoveElementAt(i);
       continue;
     }
     os.mStream->ChangeExplicitBlockerCount(1);
     // Explicitly remove all existing ports. This is not strictly necessary but it's
     // good form.
-    if (os.mPort) {
+    MOZ_ASSERT(os.mPort, "Double-delete of the ports!");
     os.mPort->Destroy();
     os.mPort = nullptr;
   }
-  }
 
   mDecodedStream = nullptr;
 }
@@ -856,9 +854,8 @@ void MediaDecoder::PlaybackEnded()
       OutputStreamData& os = mOutputStreams[i];
       if (os.mStream->IsDestroyed()) {
         // Probably the DOM MediaStream was GCed. Clean up.
-        if (os.mPort) {
+        MOZ_ASSERT(os.mPort, "Double-delete of the ports!");
         os.mPort->Destroy();
-        }
         mOutputStreams.RemoveElementAt(i);
         continue;
       }
@@ -866,9 +863,8 @@ void MediaDecoder::PlaybackEnded()
         // Shouldn't really be needed since mDecodedStream should already have
         // finished, but doesn't hurt.
         os.mStream->Finish();
-        if (os.mPort) {
+        MOZ_ASSERT(os.mPort, "Double-delete of the ports!");
         os.mPort->Destroy();
-        }
         // Not really needed but it keeps the invariant that a stream not
         // connected to mDecodedStream is explicity blocked.
         os.mStream->ChangeExplicitBlockerCount(1);