1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5syntax = "proto2";
6
7option optimize_for = LITE_RUNTIME;
8
9option java_outer_classname = "UserActionEventProtos";
10option java_package = "org.chromium.components.metrics";
11
12package metrics;
13
14// Stores information about an event that occurs in response to a user action,
15// e.g. an interaction with a browser UI element.
16// Next tag: 3
17message UserActionEventProto {
18  // The name of the action, hashed.
19  optional fixed64 name_hash = 1;
20
21  // The timestamp for the event, in seconds.
22  // This value comes from Chromium's TimeTicks::Now(), which is an abstract
23  // time value that is guaranteed to always be non-decreasing (regardless of
24  // Daylight Saving Time or any other changes to the system clock).
25  // These numbers are only comparable within a session.  To sequence events
26  // across sessions, order by the |session_id| from the
27  // ChromeUserMetricsExtension message.
28  optional int64 time_sec = 2;
29}
30