<!--
Copyright 2023 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<!--
This file describes the enumerations referenced by entries in histograms.xml for
this directory. Some enums may instead be listed in the central enums.xml file
at src/tools/metrics/histograms/enums.xml when multiple files use them.
For best practices on writing enumerations descriptions, see
https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histograms/README.md#Enum-Histograms
Please follow the instructions in the OWNERS file in this directory to find a
reviewer. If no OWNERS file exists, please consider signing up at
go/reviewing-metrics (Googlers only), as all subdirectories are expected to
have an OWNERS file. As a last resort you can send the CL to
[email protected].
-->
<histogram-configuration>
<!-- Enum types -->
<enums>
<enum name="BooleanHasData">
<int value="0" label="No data"/>
<int value="1" label="Has data"/>
</enum>
<enum name="BooleanHasFetchers">
<int value="0" label="Missing fetchers"/>
<int value="1" label="Has fetchers"/>
</enum>
<enum name="LocalStorageOpenError">
<int value="0" label="Directory open failed"/>
<int value="1" label="Database open failed"/>
<int value="2" label="Invalid schema version"/>
<int value="3" label="Error reading schema version"/>
<int value="4" label="Success"/>
</enum>
<enum name="SessionRestoreFinishReason">
<int value="0"
label="SessionRestore.ForegroundTabFirstPaint4_XX successfully
recorded."/>
<int value="1"
label="No tabs were visible the whole time before first paint."/>
<int value="2" label="No restored tabs were painted."/>
<int value="3" label="A non-restored tab was painted first."/>
</enum>
<enum name="SessionStorageDatabaseOpen">
<int value="0" label="OK">Succesfully opened the database.</int>
<int value="1" label="Recovered">
Failed to open the existing db, deleted it, and created a new empty db.
</int>
<int value="2"
label="(Obsolete) Reopen: Total Fail. Deprecated 2016/11. Replaced by
other 'Reopen' errors.">
Failed to open the database and also failed to delete and start over.
</int>
<int value="3" label="Reopen: not found">
Reopen attempt failed with (not found) after successful database delete.
</int>
<int value="4" label="Reopen: not supported">
Reopen attempt failed with (not supported) after successful database delete.
</int>
<int value="5" label="Reopen: corruption">
Reopen attempt failed with (corruption) after successful database delete.
</int>
<int value="6" label="Reopen: invalid argument">
Reopen attempt failed with (invalid argument) after successful database
delete.
</int>
<int value="7" label="Reopen: I/O error">
Reopen attempt failed with (I/O error) after successful database delete.
</int>
</enum>
<enum name="SessionStorageFormat">
<int value="0" label="Legacy"/>
<int value="1" label="Optimized"/>
</enum>
<enum name="SessionStorageMigrationStatus">
<int value="0" label="MigrationSucceeded">The migration was successful.</int>
<int value="1" label="MigrationFailure">The migration failed.</int>
<int value="2" label="MigrationInterrupted">
The application crashed (or was terminated by the user) during migration.
</int>
</enum>
</enums>
</histogram-configuration>
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