[BlobAsync] Disk support for blob storage

content/child/blob_storage/blob_transport_controller.cc

Index: content/child/blob_storage/blob_transport_controller.cc
diff --git a/content/child/blob_storage/blob_transport_controller.cc b/content/child/blob_storage/blob_transport_controller.cc
index b5cc88416ca6f89b5c319c100d175ac2460b0f8e..a0b17f4fc3c200983988a92ee7122daaa681b459 100644
--- a/content/child/blob_storage/blob_transport_controller.cc
+++ b/content/child/blob_storage/blob_transport_controller.cc
@@ -171,7 +171,6 @@ void BlobTransportController::InitiateBlobTransfer(
   }
 
   std::vector<storage::DataElement> descriptions;
-  std::set<std::string> referenced_blobs = consolidation->referenced_blobs();
   BlobTransportController::GetDescriptions(
       consolidation.get(), kBlobStorageIPCThresholdBytes, &descriptions);
   // I post the task first to make sure that we store our consolidation before
@@ -182,10 +181,8 @@ void BlobTransportController::InitiateBlobTransfer(
                  base::Unretained(BlobTransportController::GetInstance()), uuid,
                  base::Passed(std::move(consolidation)),
                  base::Passed(std::move(main_runner))));
-  // TODO(dmurph): Merge register and start messages.
-  sender->Send(new BlobStorageMsg_RegisterBlobUUID(uuid, content_type, "",
-                                                   referenced_blobs));
-  sender->Send(new BlobStorageMsg_StartBuildingBlob(uuid, descriptions));
+  sender->Send(
+      new BlobStorageMsg_RegisterBlob(uuid, content_type, "", descriptions));
 }
 
 void BlobTransportController::OnMemoryRequest(