[DevTools] Do not collapse 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;
 }
@@ skipping 10 matching lines @@
 }
 
 .toolbar-shadow.wrappable {
     flex-wrap: wrap;
 }
 
 .toolbar-shadow.wrappable-reverse {
     flex-direction: row-reverse;
 }
 
+.toolbar-shadow.toolbar-grow-vertical {
+    height: initial;
+}
+
 .toolbar-shadow.vertical {
     flex-direction: column;
     height: auto;
     align-items: flex-start;
 }
 
 .toolbar-item {
     position: relative;
     display: flex;
     background-color: transparent;
@@ skipping 232 matching lines @@
     margin-top: -1px;
     width: 28px;
     left: -2px;
 }
 
 span.toolbar-select-container.toolbar-item.warning {
     background: #ffd7d7;
     padding: 0 5px 0 0;
     margin-right: 1px;
 }