[DevTools] Remove scrollbar from chrome://inspect

chrome/browser/resources/inspect/inspect.css

 /* Copyright (c) 2012 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. */
 
 * {
   box-sizing: border-box;
 }
 
 body {
   color: rgb(48, 57, 66);
@@ skipping 412 matching lines @@
 }
 
 @media (max-width: 47em) {
   #navigation,
   #content {
     overflow: visible;
   }
 }
 @media (min-width: 47em) {
   #container {
-    height: 100vh;
+    max-height: 100vh;
   }
   #navigation,
   #content {
-    height: 100vh;
+    max-height: 100vh;
     overflow: auto;
   }
 }