WIP POC blob transport over mojo

third_party/WebKit/Source/platform/exported/WebServiceWorkerResponse.cpp

Index: third_party/WebKit/Source/platform/exported/WebServiceWorkerResponse.cpp
diff --git a/third_party/WebKit/Source/platform/exported/WebServiceWorkerResponse.cpp b/third_party/WebKit/Source/platform/exported/WebServiceWorkerResponse.cpp
index a322c00d2f058f86de2c9158c651765dcd57d10d..60053f615d2a98db002da31fee0ebf8c6017957e 100644
--- a/third_party/WebKit/Source/platform/exported/WebServiceWorkerResponse.cpp
+++ b/third_party/WebKit/Source/platform/exported/WebServiceWorkerResponse.cpp
@@ -127,6 +127,18 @@ uint64_t WebServiceWorkerResponse::BlobSize() const {
   return private_->blob_data_handle->size();
 }
 
+storage::mojom::BlobPtr WebServiceWorkerResponse::CloneBlob() const {
+  if (!private_->blob_data_handle)
+    return nullptr;
+  storage::mojom::blink::BlobPtr blink_blob_clone;
+  private_->blob_data_handle->blob()->Clone(MakeRequest(&blink_blob_clone));
+  auto blink_info = blink_blob_clone.PassInterface();
+  storage::mojom::BlobPtr result;
+  result.Bind(mojo::InterfacePtrInfo<storage::mojom::Blob>(
+      blink_info.PassHandle(), blink_info.version()));
+  return result;
+}
+
 void WebServiceWorkerResponse::SetError(WebServiceWorkerResponseError error) {
   private_->error = error;
 }