WIP POC blob transport over mojo

third_party/WebKit/Source/platform/blob/BlobRegistry.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 19 matching lines @@
 
 #ifndef BlobRegistry_h
 #define BlobRegistry_h
 
 #include <memory>
 #include "platform/PlatformExport.h"
 #include "platform/wtf/Allocator.h"
 #include "platform/wtf/Forward.h"
 #include "platform/wtf/PassRefPtr.h"
 
+namespace base {
+class SingleThreadTaskRunner;
+}
+
 namespace blink {
 
 class BlobData;
 class BlobDataHandle;
 class KURL;
 class RawData;
 class SecurityOrigin;
 
 // A bridging class for calling blink::WebBlobRegistry methods.
 class PLATFORM_EXPORT BlobRegistry {
   STATIC_ONLY(BlobRegistry);
 
  public:
+  static base::SingleThreadTaskRunner* GetIORunner();
+
   // Methods for controlling Blobs.
   static void RegisterBlobData(const String& uuid, std::unique_ptr<BlobData>);
   static void AddBlobDataRef(const String& uuid);
   static void RemoveBlobDataRef(const String& uuid);
   static void RegisterPublicBlobURL(SecurityOrigin*,
                                     const KURL&,
                                     PassRefPtr<BlobDataHandle>);
   static void RevokePublicBlobURL(const KURL&);
 
   // Methods for controlling Streams.
   static void RegisterStreamURL(const KURL&, const String&);
   static void RegisterStreamURL(SecurityOrigin*,
                                 const KURL&,
                                 const KURL& src_url);
   static void AddDataToStream(const KURL&, PassRefPtr<RawData>);
   static void FlushStream(const KURL&);
   static void FinalizeStream(const KURL&);
   static void AbortStream(const KURL&);
   static void UnregisterStreamURL(const KURL&);
 };
 
 }  // namespace blink
 
 #endif  // BlobRegistry_h