Material PDF: Variety of minor UI bugfixes

chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.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 {
   color: #fff;
   font-size: 88.8%;
 }
 
 #pageselector {
@@ skipping 15 matching lines @@
   padding: 3px;
   text-align: right;
 }
 
 input#input:focus,
 input#input:hover {
   background-color: rgba(0, 0, 0, 0.5);
   border-radius: 2px;
 }
 
+input::-webkit-outer-spin-button,
+input::-webkit-inner-spin-button {
+  -webkit-appearance: none;
+  margin: 0;

[raymes, 2015/09/05 01:41:33]

What was this change for?

[tsergeant, 2015/09/07 00:05:11]

I changed the <input> to type="number", so that you can't enter anything that's
not a number. This CSS hides the spinner buttons that appear for number inputs.

+}
+
 #slash {
   padding: 0 3px;
 }
 
 #pagelength-spacer {
   display: inline-block;
   text-align: left;
 }
 
 #slash,
 #pagelength {
   font-size: 81.25%;
 }