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diff --git a/ppapi/c/dev/ppb_file_chooser_dev.h b/ppapi/c/dev/ppb_file_chooser_dev.h
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+++ b/ppapi/c/dev/ppb_file_chooser_dev.h
@@ -0,0 +1,57 @@
+// Copyright (c) 2010 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 PPAPI_C_DEV_PPB_FILE_CHOOSER_DEV_H_
+#define PPAPI_C_DEV_PPB_FILE_CHOOSER_DEV_H_
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_resource.h"
+
+struct PP_CompletionCallback;
+
+typedef enum {
+  PP_FILECHOOSERMODE_OPEN,
+  PP_FILECHOOSERMODE_OPENMULTIPLE
+  // TODO(darin): Should there be a way to choose a directory?
+} PP_FileChooserMode_Dev;
+
+struct PP_FileChooserOptions_Dev {
+  PP_FileChooserMode_Dev mode;
+
+  // A comma-separated list of MIME types such as audio/*,text/plain.  The
+  // dialog may restrict selectable files to the specified MIME types.
+  // TODO(darin): What if the mime type is unknown to the system?  The plugin
+  // may wish to describe the mime type and provide a matching file extension.
+  // It is more webby to use mime types here instead of file extensions.
+  const char* accept_mime_types;
+};
+
+#define PPB_FILECHOOSER_DEV_INTERFACE "PPB_FileChooser(Dev);0.1"
+
+struct PPB_FileChooser_Dev {
+  // Creates a file chooser dialog with the specified options.  The chooser is
+  // associated with a particular instance, so that it may be positioned on the
+  // screen relative to the tab containing the instance.  Returns 0 if passed
+  // an invalid instance.
+  PP_Resource (*Create)(PP_Instance instance,
+                        const struct PP_FileChooserOptions_Dev* options);
+
+  // Returns true if the given resource is a FileChooser. Returns false if the
+  // resource is invalid or some type other than a FileChooser.
+  bool (*IsFileChooser)(PP_Resource resource);
+
+  // Prompts the user to choose a file or files.
+  int32_t (*Show)(PP_Resource chooser, struct PP_CompletionCallback callback);
+
+  // After a successful call to Show, this method may be used to query the
+  // chosen files.  It should be called in a loop until it returns 0.
+  // Depending on the PP_ChooseFileMode requested when the FileChooser was
+  // created, the file refs will either be readable or writable.  Their file
+  // system type will be PP_FileSystemType_External.  If the user chose no
+  // files or cancelled the dialog, then this method will simply return 0
+  // the first time it is called.
+  PP_Resource (*GetNextChosenFile)(PP_Resource chooser);
+};
+
+#endif  // PPAPI_C_DEV_PPB_FILE_CHOOSER_DEV_H_