chrome/android/java/res/xml/tracing_preferences.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2018 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. -->

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" android:orderingFromXml="true">
    <Preference
        android:fragment="org.chromium.chrome.browser.preferences.developer.TracingCategoriesPreferences"
        android:key="default_categories"
        android:title="Default categories"/><!-- developer strings are not translated -->
    <Preference
        android:fragment="org.chromium.chrome.browser.preferences.developer.TracingCategoriesPreferences"
        android:key="non_default_categories"
        android:title="Disabled-by-default categories"/>
    <org.chromium.chrome.browser.preferences.ChromeBaseListPreference
        android:key="mode"
        android:title="Tracing mode"
        android:persistent="false"/>
    <org.chromium.chrome.browser.preferences.ButtonPreference
        android:key="start_recording"/>
    <org.chromium.chrome.browser.preferences.TextMessagePreference
        android:key="tracing_status"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
</PreferenceScreen>