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

media/base/media_resource.h

Index: media/base/media_resource.h
diff --git a/media/base/media_resource.h b/media/base/media_resource.h
index 2cd90192c013d892759f7ee2f939dfa31280d60f..a42e4e7bc85de7fa895be4bf6e7f7ac434f03544 100644
--- a/media/base/media_resource.h
+++ b/media/base/media_resource.h
@@ -22,10 +22,13 @@ namespace media {
 class MEDIA_EXPORT MediaResource {
  public:
   enum Type {
+    REMOTE,  // Indicates GetRemoteId() should be used
     STREAM,  // Indicates GetStreams() should be used
     URL,     // Indicates GetUrl() should be used
   };
 
+  static const int kInvalidRemoteId;
+
   MediaResource();
   virtual ~MediaResource();
 
@@ -53,6 +56,11 @@ class MEDIA_EXPORT MediaResource {
 
   virtual MediaResource::Type GetType() const;
 
+  virtual int32_t GetRemoteId() const;
+
+ protected:
+  int32_t remote_id_;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(MediaResource);
 };