DevTools: Remove contain strict from toolbars

third_party/WebKit/Source/devtools/front_end/ui/toolbar.css

 /*
  * Copyright (c) 2014 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 {
     flex: none;
     padding: 0 2px;
 }
 
 .toolbar-shadow {
     position: relative;
     white-space: nowrap;
     height: 26px;
-    contain: strict;
     overflow: hidden;
     z-index: 12;
     display: flex;
     flex: none;
     align-items: center;
 }
 
 .toolbar-shadow.wrappable {
     flex-wrap: wrap;
     overflow: visible;
-    contain: none;
 }
 
 .toolbar-shadow.wrappable-reverse {
     flex-direction: row-reverse;
 }
 
 .toolbar-shadow.toolbar-grow-vertical {
     height: initial;
 }
 
 .toolbar-shadow.vertical {
     flex-direction: column;
     height: auto;
-    contain: none;
     align-items: flex-start;
 }
 
 .toolbar-item {
     position: relative;
     display: flex;
     background-color: transparent;
     flex: none;
     align-items: center;
     justify-content: center;
@@ skipping 240 matching lines @@
     left: 2px;
     right: 2px;
     background-color: rgba(0, 0, 0, 0.08);
     border-radius: 2px;
     content: "";
 }
 
 .toolbar-shadow.floating {
     flex-direction: column;
     height: auto;
-    contain: none;
     background-color: white;
     border: 1px solid #ccc;
     margin-top: -1px;
     width: 28px;
     left: -2px;
 }