/usr/include/webkitgtk-3.0/webkit2/WebKitScriptDialog.h is in libwebkit2gtk-3.0-dev 2.4.0-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | /*
 * Copyright (C) 2012 Igalia S.L.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */
#if !defined(__WEBKIT2_H_INSIDE__) && !defined(WEBKIT2_COMPILATION)
#error "Only <webkit2/webkit2.h> can be included directly."
#endif
#ifndef WebKitScriptDialog_h
#define WebKitScriptDialog_h
#include <glib-object.h>
#include <webkit2/WebKitDefines.h>
G_BEGIN_DECLS
#define WEBKIT_TYPE_SCRIPT_DIALOG (webkit_script_dialog_get_type())
typedef struct _WebKitScriptDialog WebKitScriptDialog;
/**
 * WebKitScriptDialogType:
 * @WEBKIT_SCRIPT_DIALOG_ALERT: Alert script dialog, used to show a
 * message to the user.
 * @WEBKIT_SCRIPT_DIALOG_CONFIRM: Confirm script dialog, used to ask
 * confirmation to the user.
 * @WEBKIT_SCRIPT_DIALOG_PROMPT: Prompt script dialog, used to ask
 * information to the user.
 *
 * Enum values used for determining the type of #WebKitScriptDialog
 */
typedef enum {
    WEBKIT_SCRIPT_DIALOG_ALERT,
    WEBKIT_SCRIPT_DIALOG_CONFIRM,
    WEBKIT_SCRIPT_DIALOG_PROMPT
} WebKitScriptDialogType;
WEBKIT_API GType
webkit_script_dialog_get_type                (void);
WEBKIT_API WebKitScriptDialogType
webkit_script_dialog_get_dialog_type         (WebKitScriptDialog *dialog);
WEBKIT_API const gchar *
webkit_script_dialog_get_message             (WebKitScriptDialog *dialog);
WEBKIT_API void
webkit_script_dialog_confirm_set_confirmed   (WebKitScriptDialog *dialog,
                                              gboolean            confirmed);
WEBKIT_API const gchar *
webkit_script_dialog_prompt_get_default_text (WebKitScriptDialog *dialog);
WEBKIT_API void
webkit_script_dialog_prompt_set_text         (WebKitScriptDialog *dialog,
                                              const gchar        *text);
G_END_DECLS
#endif
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