Ctrl-G now selects page number in Material Design PDF Viewer

chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.js

 // 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.
 
 var DIGIT_LENGTH = 0.6;
 
 Polymer('viewer-page-selector', {
   // The current entry in the input field (1-based).
   pageNo: '1',
   // The index of the current page being viewed (0-based).
@@ skipping 14 matching lines @@
     }
   },
 
   indexChanged: function() {
     this.pageNo = String(this.index + 1);
   },
 
   docLengthChanged: function() {
     var numDigits = this.docLength.toString().length;
     this.$.pageselector.style.width = (numDigits * DIGIT_LENGTH) + 'em';
+  },
+
+  select: function() {
+    this.$.input.select();
   }
 });