Implement chrome.downloads.onDeterminingFilename()

chrome/renderer/extensions/downloads_custom_bindings.h

Index: chrome/renderer/extensions/downloads_custom_bindings.h
diff --git a/chrome/renderer/extensions/downloads_custom_bindings.h b/chrome/renderer/extensions/downloads_custom_bindings.h
new file mode 100644
index 0000000000000000000000000000000000000000..7fa6474da9c9f9dbf764cbd6cd68988f5a366ea4
--- /dev/null
+++ b/chrome/renderer/extensions/downloads_custom_bindings.h
@@ -0,0 +1,25 @@
+// 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.
+
+#ifndef CHROME_RENDERER_EXTENSIONS_DOWNLOADS_CUSTOM_BINDINGS_H_
+#define CHROME_RENDERER_EXTENSIONS_DOWNLOADS_CUSTOM_BINDINGS_H_
+
+#include "chrome/renderer/extensions/chrome_v8_extension.h"
+
+namespace extensions {
+
+// Implements custom bindings for the downloads API.
+class DownloadsCustomBindings : public ChromeV8Extension {
+ public:
+  DownloadsCustomBindings();
+
+ private:
+  static v8::Handle<v8::Value> GetFilenameDeterminerId(
+      const v8::Arguments& args);
+  DISALLOW_COPY_AND_ASSIGN(DownloadsCustomBindings);
+};
+
+}  // extensions
+
+#endif  // CHROME_RENDERER_EXTENSIONS_DOWNLOADS_CUSTOM_BINDINGS_H_