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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_USB_WEB_USB_HISTOGRAMS_H_
#define CHROME_BROWSER_USB_WEB_USB_HISTOGRAMS_H_
// Reasons the chooser may be closed. These are used in histograms so do not
// remove/reorder entries. Only add at the end just before
// WEBUSB_CHOOSER_CLOSED_MAX. Also remember to update the enum listing in
// tools/metrics/histograms/enums.xml.
enum WebUsbChooserClosed {
// The user cancelled the permission prompt without selecting a device.
WEBUSB_CHOOSER_CLOSED_CANCELLED = 0,
// The user probably cancelled the permission prompt without selecting a
// device because there were no devices to select.
WEBUSB_CHOOSER_CLOSED_CANCELLED_NO_DEVICES,
// The user granted permission to access a device.
WEBUSB_CHOOSER_CLOSED_PERMISSION_GRANTED,
// The user granted permission to access a device but that permission will be
// revoked when the device is disconnected.
WEBUSB_CHOOSER_CLOSED_EPHEMERAL_PERMISSION_GRANTED,
// Maximum value for the enum.
WEBUSB_CHOOSER_CLOSED_MAX
};
// Reasons a permission may be closed. These are used in histograms so do not
// remove/reorder entries. Only add at the end just before
// WEBUSB_PERMISSION_REVOKED_MAX. Also remember to update the enum listing in
// tools/metrics/histograms/enums.xml.
enum WebUsbPermissionRevoked {
// Permission to access a USB device was revoked by the user.
WEBUSB_PERMISSION_REVOKED_BY_USER = 0,
// Permission to access an ephemeral USB device was revoked by the user.
WEBUSB_PERMISSION_REVOKED_EPHEMERAL_BY_USER,
// Permission to access a USB device was revoked by the website.
WEBUSB_PERMISSION_REVOKED_BY_WEBSITE,
// Permission to access an ephemeral USB device was revoked by the website.
WEBUSB_PERMISSION_REVOKED_EPHEMERAL_BY_WEBSITE,
// Maximum value for the enum.
WEBUSB_PERMISSION_REVOKED_MAX
};
void RecordWebUsbPermissionRevocation(WebUsbPermissionRevoked kind);
void RecordWebUsbChooserClosure(WebUsbChooserClosed disposition);
#endif // CHROME_BROWSER_USB_WEB_USB_HISTOGRAMS_H_
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