Installer support for Windows 10 inactive user toast.

chrome/installer/util/experiment_metrics.h

 // 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_UTIL_EXPERIMENT_METRICS_H_
 #define CHROME_INSTALLER_UTIL_EXPERIMENT_METRICS_H_
 
 #include <stdint.h>
 
 namespace installer {
 
 // The various metrics reported for the status of the inactive user toast. This
 // struct contains the information necessary to evaluate the efficacy of the
 // toast on Chrome usage.
 struct ExperimentMetrics {
  public:
   // The state of this install's participation in the experiment.
   enum State {
     kUninitialized = -1,
 
     // Relaunching setup.exe for a per-user install failed. Will retry on next
     // update.
     kRelaunchFailed = 0,
 
     // No user on console for per-machine install; waiting for invocation at
     // next logon via Active Setup.
     kWaitingForUserLogon = 1,
 
-    // Waiting in user context for the setup singleton.
-    kWaitingForSingleton = 2,
-
     // Timed out waiting for the setup singleton. Will retry on next update.
-    kSingletonWaitTimeout = 3,
+    kSingletonWaitTimeout = 2,
 
     // A group has been assigned. The experiment has moved out of the initial
     // state at this point. This state is reached under the setup singleton.
-    kGroupAssigned = 4,
+    kGroupAssigned = 3,
 
     // The user is not participating on account of using a tablet-like device.
-    kIsTabletDevice = 5,
+    kIsTabletDevice = 4,
 
     // Chrome has been run within the last 28 days.
-    kIsActive = 6,
+    kIsActive = 5,
 
     // The user has not been active on the machine much in the last 28 days.
-    kIsDormant = 7,
+    kIsDormant = 6,
+
+    // Chrome has received an in-use update for which the rename is pending.
+    // The UX cannot be shown.
+    kIsUpdateRenamePending = 7,
 
     // Deferring presentation until it's okay to show the toast.
     kDeferringPresentation = 8,
 
     // Deferral was aborted on account of another process requiring the setup
     // singleton.
     kDeferredPresentationAborted = 9,
 
     // Launching Chrome for presentation.
     kLaunchingChrome = 10,
@@ skipping 103 matching lines @@
   int action_delay_bucket = 0;
 
   // Time delta (in minutes) between user session start and presentation in the
   // range [1-40320) in a 64-bucket log scale.
   int session_length_bucket = 0;
 };
 
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_UTIL_EXPERIMENT_METRICS_H_