Implement chrome.downloads.onDeterminingFilename()

chrome/common/extensions/api/downloads_internal.idl

Index: chrome/common/extensions/api/downloads_internal.idl
diff --git a/chrome/common/extensions/api/downloads_internal.idl b/chrome/common/extensions/api/downloads_internal.idl
new file mode 100644
index 0000000000000000000000000000000000000000..fd3b5e323833b98151d78e3d9ac299d21943d9b6
--- /dev/null
+++ b/chrome/common/extensions/api/downloads_internal.idl
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+[permissions=downloads_internal, internal=true, nodoc=true]
+namespace downloadsInternal {
+  interface Functions {
+    // Secretly called by chrome.downloads.onDeterminingFilename.addListener.
+    static void addFilenameDeterminer(DOMString determinerId);
+
+    // Secretly called by chrome.downloads.onDeterminingFilename.removeListener.
+    static void removeFilenameDeterminer(DOMString determinerId);
+
+    // Secretly called when onDeterminingFilename handlers return.
+    static void determineFilename(DOMString determinerId,
+                                  long downloadId,
+                                  optional DOMString filename,
+                                  optional boolean overwrite);
+  };
+
+  interface Events {
+  };
+};