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

media/filters/vpx_video_decoder.cc

Index: media/filters/vpx_video_decoder.cc
diff --git a/media/filters/vpx_video_decoder.cc b/media/filters/vpx_video_decoder.cc
index 22bab44e3a28c0d5f76bf11b55510fe4cee42584..db41379ea5cf581669540e85648b26c357190aaf 100644
--- a/media/filters/vpx_video_decoder.cc
+++ b/media/filters/vpx_video_decoder.cc
@@ -499,6 +499,11 @@ bool VpxVideoDecoder::ConfigureDecoder(const VideoDecoderConfig& config) {
     }
 
     DCHECK(!memory_pool_);
+
+// TODO(j.isorce): mojify MemoryPool::VP9FrameBuffer
+#if 1
+    memory_pool_ = nullptr;
+#else
     memory_pool_ = new MemoryPool();
     base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
         memory_pool_.get(), "VpxVideoDecoder",
@@ -512,6 +517,7 @@ bool VpxVideoDecoder::ConfigureDecoder(const VideoDecoderConfig& config) {
                   << vpx_codec_error(vpx_codec_);
       return false;
     }
+#endif
   }
 
   if (config.format() != PIXEL_FORMAT_YV12A)