diff -r 000000000000 -r 6474c204b198 content/base/public/nsIDOMFile.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/public/nsIDOMFile.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,76 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+%{C++
+namespace mozilla {
+namespace dom {
+namespace indexedDB {
+class FileInfo;
+class FileManager;
+}
+}
+}
+
+%}
+
+[ptr] native FileInfo(mozilla::dom::indexedDB::FileInfo);
+[ptr] native FileManager(mozilla::dom::indexedDB::FileManager);
+
+interface nsIDOMFileError;
+interface nsIInputStream;
+interface nsIURI;
+interface nsIPrincipal;
+interface nsIDOMBlob;
+
+[scriptable, builtinclass, uuid(b1723fac-4814-4429-82cb-dc54ba0d46d6)]
+interface nsIDOMBlob : nsISupports
+{
+  readonly attribute unsigned long long size;
+  readonly attribute DOMString type;
+
+  [noscript] readonly attribute nsIInputStream internalStream;
+  // The caller is responsible for releasing the internalUrl from the
+  // blob: protocol handler
+  [noscript] DOMString getInternalUrl(in nsIPrincipal principal);
+
+  [optional_argc] nsIDOMBlob slice([optional] in long long start,
+                                   [optional] in long long end,
+                                   [optional] in DOMString contentType);
+
+  // Get internal id of stored file. Returns -1 if it is not a stored file.
+  // Intended only for testing. It can be called on any thread.
+  [notxpcom] long long getFileId();
+
+  // Called when the blob was successfully stored in a database or when
+  // the blob is initialized from a database. It can be called on any thread.
+  [notxpcom] void addFileInfo(in FileInfo aFileInfo);
+
+  // Called before the blob is stored in a database to decide if it can be
+  // shared or needs to be copied. It can be called on any thread.
+  [notxpcom] FileInfo getFileInfo(in FileManager aFileManager);
+
+  // Return true if this blob is a memory file.
+  [notxpcom] bool isMemoryFile();
+};
+
+[scriptable, builtinclass, uuid(4e7d1a8b-e2d5-4304-a753-4affb731660c)]
+interface nsIDOMFile : nsIDOMBlob
+{
+  readonly attribute DOMString name;
+
+  readonly attribute DOMString path;
+
+  [implicit_jscontext]
+  readonly attribute jsval lastModifiedDate;
+
+  readonly attribute DOMString mozFullPath;
+
+  // This performs no security checks!
+  [noscript] readonly attribute DOMString mozFullPathInternal;
+
+  [noscript] readonly attribute uint64_t mozLastModifiedDate;
+};