chromium/components/omnibox/browser/omnibox_event_global_tracker.h

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_EVENT_GLOBAL_TRACKER_H_
#define COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_EVENT_GLOBAL_TRACKER_H_

#include "base/callback_list.h"

namespace base {
template <typename T>
struct DefaultSingletonTraits;
}  // namespace base

struct OmniboxLog;

// Omnibox code tracks events on a per-user-context basis, but there are several
// clients who need to observe these events for all user contexts (e.g., all
// Profiles in the //chrome embedder). This class serves as an intermediary to
// bridge the gap: omnibox code calls the OmniboxEventGlobalTracker singleton on
// an event of interest, and it then forwards the event to its registered
// observers.
class OmniboxEventGlobalTracker { … };

#endif  // COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_EVENT_GLOBAL_TRACKER_H_