WIP POC blob transport over mojo

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

Index: third_party/WebKit/Source/platform/blob/BlobData.h
diff --git a/third_party/WebKit/Source/platform/blob/BlobData.h b/third_party/WebKit/Source/platform/blob/BlobData.h
index 5774181bd59dc7f230dd99a9f7627bfc1f3a840d..41fc37bda6f85de81af4ab9ef7d59bc82da7dae8 100644
--- a/third_party/WebKit/Source/platform/blob/BlobData.h
+++ b/third_party/WebKit/Source/platform/blob/BlobData.h
@@ -38,6 +38,7 @@
 #include "platform/wtf/Forward.h"
 #include "platform/wtf/ThreadSafeRefCounted.h"
 #include "platform/wtf/text/WTFString.h"
+#include "public/platform/blobs.mojom-blink.h"
 
 namespace blink {
 
@@ -242,6 +243,7 @@ class PLATFORM_EXPORT BlobDataHandle
   String Uuid() const { return uuid_.IsolatedCopy(); }
   String GetType() const { return type_.IsolatedCopy(); }
   unsigned long long size() const { return size_; }
+  storage::mojom::blink::Blob* blob() const { return blob_.get(); }
 
   bool IsSingleUnknownSizeFile() const { return is_single_unknown_size_file_; }
 
@@ -256,6 +258,7 @@ class PLATFORM_EXPORT BlobDataHandle
   const String type_;
   const long long size_;
   const bool is_single_unknown_size_file_;
+  storage::mojom::blink::BlobPtr blob_;
 };
 
 }  // namespace blink