[IndexedDB] Hold referenced to IDB::put blobs in the IDBRequest

content/browser/blob_storage/blob_dispatcher_host.h

Index: content/browser/blob_storage/blob_dispatcher_host.h
diff --git a/content/browser/blob_storage/blob_dispatcher_host.h b/content/browser/blob_storage/blob_dispatcher_host.h
index e1bfbe50411cf27437f81a3fa10c98ffbfbebeb1..ad5c9afd9e06a5f1cedb99f5c49a02f355a4fa70 100644
--- a/content/browser/blob_storage/blob_dispatcher_host.h
+++ b/content/browser/blob_storage/blob_dispatcher_host.h
@@ -47,6 +47,9 @@ class CONTENT_EXPORT BlobDispatcherHost : public BrowserMessageFilter {
       scoped_refptr<ChromeBlobStorageContext> blob_storage_context,
       scoped_refptr<storage::FileSystemContext> file_system_context);
 
+  // Decrements the refcount for the given blob for this renderer.
+  void AckBlobRecievedFromIDB(const std::string& uuid);
+
   // BrowserMessageFilter implementation.
   void OnChannelClosing() override;
   bool OnMessageReceived(const IPC::Message& message) override;