Mojify demuxers and allow running {Chunk/FFmpeg}Demuxer in a Utility Process

media/base/pipeline_impl.cc

Index: media/base/pipeline_impl.cc
diff --git a/media/base/pipeline_impl.cc b/media/base/pipeline_impl.cc
index 0ec81f9e7ca815c345531ba3f35ce1779b93d393..40fe78b5a98244eb43455aecd70220c434725dcd 100644
--- a/media/base/pipeline_impl.cc
+++ b/media/base/pipeline_impl.cc
@@ -859,6 +859,14 @@ void PipelineImpl::RendererWrapper::InitializeRenderer(
   DCHECK(media_task_runner_->BelongsToCurrentThread());
 
   switch (demuxer_->GetType()) {
+    case MediaResource::Type::REMOTE:
+      if (demuxer_->GetRemoteId() == MediaResource::kInvalidRemoteId) {
+        DVLOG(1) << "Error: demuxer does not have a valid remote id.";
+        done_cb.Run(PIPELINE_ERROR_COULD_NOT_RENDER);
+        return;
+      }
+      break;
+
     case MediaResource::Type::STREAM:
       if (!demuxer_->GetStream(DemuxerStream::AUDIO) &&
           !demuxer_->GetStream(DemuxerStream::VIDEO)) {
@@ -922,6 +930,7 @@ void PipelineImpl::RendererWrapper::ReportMetadata() {
       }
       break;
 
+    case MediaResource::Type::REMOTE:
     case MediaResource::Type::URL:
       // We don't know if the MediaPlayerRender has Audio/Video until we start
       // playing. Conservatively assume that they do.