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// Copyright (c) 2011 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 CHROME_BROWSER_UI_WEBUI_SYNC_PROMO_TRIAL_H_
#define CHROME_BROWSER_UI_WEBUI_SYNC_PROMO_TRIAL_H_
#include "base/basictypes.h"
// These helpers manage the Sync Promo field trial.
//
// The sync promo experiment involves changing the message body in the sign in
// promo (see SyncPromoHandler) to see if that has any effect on sign in.
namespace sync_promo_trial {
enum Group {
// "Get your bookmarks, history, and settings on all your devices."
// This is also the default message group.
PROMO_MSG_A = 0,
// "Back up your bookmarks, history, and settings to the web."
PROMO_MSG_B,
// "Sync your personalized browser features between all your devices."
PROMO_MSG_C,
// "You'll be automatically signed into to your favorite Google services."
PROMO_MSG_D,
// Bounding max value needed for UMA histogram macro.
PROMO_MSG_MAX,
};
// Activate the field trial. Before this call, all calls to GetGroup will
// return PROMO_MSG_A. *** MUST NOT BE CALLED MORE THAN ONCE. ***
void Activate();
// Returns true iff the experiment has been set up and is active. If this
// is false, the caller should not record stats for this experiment.
bool IsExperimentActive();
// Return the field trial group this client belongs to.
Group GetGroup();
// Return the resource ID for the Sync Promo message body associated with this
// client.
int GetMessageBodyResID();
// Record the appropriate UMA stat for when a user sees the sync promo
// message.
void RecordUserSawMessage();
// Record the appropriate UMA stat for when a user successfully signs in to
// GAIA.
void RecordUserSignedIn();
}
#endif // CHROME_BROWSER_UI_WEBUI_SYNC_PROMO_TRIAL_H_
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