DevTools: extract NetworkConditionsSelector into its own module

third_party/WebKit/Source/devtools/front_end/components/networkConditionsSettingsTab.css

-/*
- * Copyright 2015 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.
- */
-
-:host {
-    overflow:hidden;
-}
-
-.header {
-    padding: 0 0 6px;
-    border-bottom: 1px solid #EEEEEE;
-    font-size: 18px;
-    font-weight: normal;
-    flex: none;
-}
-
-.add-conditions-button {
-    flex: none;
-    margin: 10px 0;
-    min-width: 140px;
-    align-self: flex-start;
-}
-
-.conditions-list {
-    max-width: 500px;
-    min-width: 340px;
-    flex: auto;
-}
-
-.conditions-list-item {
-    padding: 3px 5px 3px 5px;
-    height: 30px;
-    display: flex;
-    align-items: center;
-    position: relative;
-    flex: auto 1 1;
-}
-
-.conditions-list-text {
-    white-space: nowrap;
-    text-overflow: ellipsis;
-    flex: 0 0 70px;
-    -webkit-user-select: none;
-    color: #222;
-    text-align: end;
-    position: relative;
-}
-
-.conditions-list-title {
-    text-align: start;
-    flex: auto;
-    display: flex;
-    align-items: flex-start;
-}
-
-.conditions-list-title-text {
-    overflow: hidden;
-    flex: auto;
-    white-space: nowrap;
-    text-overflow: ellipsis;
-}
-
-.conditions-list-separator {
-    flex: 0 0 1px;
-    background-color: rgb(231, 231, 231);
-    height: 30px;
-    margin: 0 4px;
-}
-
-.conditions-list-separator-invisible {
-    visibility: hidden;
-    height: 100% !important;
-}
-
-.conditions-edit-row {
-    flex: none;
-    display: flex;
-    flex-direction: row;
-    margin: 6px 5px;
-}
-
-.conditions-edit-row input {
-    width: 100%;
-    text-align: inherit;
-}
-
-.conditions-edit-optional {
-    position: absolute;
-    bottom: -20px;
-    right: 0;
-    color: rgb(128, 128, 128);
-}