// Copyright 2014 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 BASE_METRICS_USER_METRICS_ACTION_H_
#define BASE_METRICS_USER_METRICS_ACTION_H_
namespace base {
// UserMetricsAction exists purely to standardize on the parameters passed to
// UserMetrics. That way, our toolset can scan the source code reliable for
// constructors and extract the associated string constants.
// WARNING: When using UserMetricsAction, UserMetricsAction and a string literal
// parameter must be on the same line, e.g.
// RecordAction(UserMetricsAction("my extremely long action name"));
// or
// RenderThread::Get()->RecordAction(
// UserMetricsAction("my extremely long action name"));
// because otherwise our processing scripts won't pick up on new actions.
// Please see tools/metrics/actions/extract_actions.py for details.
struct UserMetricsAction {
const char* str_;
explicit UserMetricsAction(const char* str) : str_(str) {}
};
} // namespace base
#endif // BASE_METRICS_USER_METRICS_ACTION_H_