Installer support for Windows 10 inactive user toast.

chrome/installer/setup/user_experiment.h

Index: chrome/installer/setup/user_experiment.h
diff --git a/chrome/installer/setup/user_experiment.h b/chrome/installer/setup/user_experiment.h
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+// Copyright 2017 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_INSTALLER_SETUP_USER_EXPERIMENT_H_
+#define CHROME_INSTALLER_SETUP_USER_EXPERIMENT_H_
+
+#include "chrome/installer/util/experiment_metrics.h"
+#include "chrome/installer/util/experiment_storage.h"
+#include "chrome/installer/util/util_constants.h"
+
+namespace base {
+class CommandLine;
+class FilePath;
+}  // namespace base
+
+namespace installer {
+
+class Experiment;
+class ExperimentStorage;
+class InstallationState;
+class InstallerState;
+class MasterPreferences;
+
+// Returns true if a user of this Chrome install should participate in a
+// post-update user experiment.
+bool ShouldRunUserExperiment();
+
+// Initiates the user experiment for a user of the current install. May only be
+// called if eligibility had previously been evaluated via
+// ShouldRunUserExperiment.
+void BeginUserExperiment(const InstallerState& installer_state,
+                         const base::FilePath& setup_path);
+
+// Runs the experiment for the current user.
+void RunUserExperiment(const base::CommandLine& command_line,
+                       const MasterPreferences& master_preferences,
+                       InstallationState* original_state,
+                       InstallerState* installer_state);
+
+// Writes the initial state |state| to the registry if there is no existing
+// state for this or another user.
+void WriteInitialState(ExperimentStorage* storage,
+                       ExperimentMetrics::State state);
+
+// Returns true if the install is associated with an enterprise brand code.
+bool IsEnterpriseBrand();
+
+// Returns true if the machine is joined to a Windows domain.
+bool IsDomainJoined();
+
+// Returns true if the machine is selected for participation in |current_study|.
+// Dice are rolled on the first invocation to determine in which study the
+// machine participates.
+bool IsSelectedForStudy(ExperimentStorage::Lock* lock,
+                        ExperimentStorage::Study current_study);
+
+// Returns a group number based on the study in which the client participates.
+int PickGroup(ExperimentStorage::Study participation);
+
+// Launches Chrome to present the prompt.
+void LaunchChrome(const InstallerState& installer_state,
+                  const Experiment& experiment);
+
+}  // namespace installer
+
+#endif  // CHROME_INSTALLER_SETUP_USER_EXPERIMENT_H_