Implement chrome.downloads.onDeterminingFilename()

chrome/browser/extensions/api/downloads_internal/downloads_internal_api.h

Index: chrome/browser/extensions/api/downloads_internal/downloads_internal_api.h
diff --git a/chrome/browser/extensions/api/downloads_internal/downloads_internal_api.h b/chrome/browser/extensions/api/downloads_internal/downloads_internal_api.h
new file mode 100644
index 0000000000000000000000000000000000000000..77dddf310474f884d64e12c6d0cb41da6a33435c
--- /dev/null
+++ b/chrome/browser/extensions/api/downloads_internal/downloads_internal_api.h
@@ -0,0 +1,52 @@
+// 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_BROWSER_EXTENSIONS_API_DOWNLOADS_INTERNAL_DOWNLOADS_INTERNAL_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_DOWNLOADS_INTERNAL_DOWNLOADS_INTERNAL_API_H_
+
+#include "chrome/browser/extensions/extension_function.h"
+
+class DownloadsInternalAddFilenameDeterminerFunction
+    : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("downloadsInternal.addFilenameDeterminer");
+  DownloadsInternalAddFilenameDeterminerFunction();
+  virtual bool RunImpl() OVERRIDE;
+
+ protected:
+  virtual ~DownloadsInternalAddFilenameDeterminerFunction();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DownloadsInternalAddFilenameDeterminerFunction);
+};
+
+class DownloadsInternalRemoveFilenameDeterminerFunction
+    : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("downloadsInternal.removeFilenameDeterminer");
+  DownloadsInternalRemoveFilenameDeterminerFunction();
+  virtual bool RunImpl() OVERRIDE;
+
+ protected:
+  virtual ~DownloadsInternalRemoveFilenameDeterminerFunction();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DownloadsInternalRemoveFilenameDeterminerFunction);
+};
+
+class DownloadsInternalDetermineFilenameFunction
+    : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("downloadsInternal.determineFilename");
+  DownloadsInternalDetermineFilenameFunction();
+  virtual bool RunImpl() OVERRIDE;
+
+ protected:
+  virtual ~DownloadsInternalDetermineFilenameFunction();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DownloadsInternalDetermineFilenameFunction);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_DOWNLOADS_INTERNAL_DOWNLOADS_INTERNAL_API_H_