BMM: Fix for add a page UI has very tiny input fields

chrome/browser/resources/shared/js/cr/ui/tree.js

 // Copyright (c) 2011 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.
 
 cr.define('cr.ui', function() {
   // require cr.ui.define
   // require cr.ui.limitInputWidth
 
   /**
    * The number of pixels to indent per level.
@@ skipping 553 matching lines @@
         var eventsToStop = ['mousedown', 'mouseup', 'contextmenu', 'dblclick'];
         eventsToStop.forEach(function(type) {
           input.addEventListener(type, stopPropagation);
         });
 
         // Wait for the input element to recieve focus before sizing it.
         var rowElement = this.rowElement;
         function onFocus() {
           input.removeEventListener('focus', onFocus);
           // 20 = the padding and border of the tree-row
-          cr.ui.limitInputWidth(input, rowElement, 20);
+          cr.ui.limitInputWidth(input, rowElement, 100);
         }
         input.addEventListener('focus', onFocus);
         input.focus();
         input.select();
 
         this.oldLabel_ = text;
       } else {
         this.removeAttribute('editing');
         this.draggable = true;
         input = labelEl.firstChild;
@@ skipping 71 matching lines @@
     }
     return item;
   }
 
   // Export
   return {
     Tree: Tree,
     TreeItem: TreeItem
   };
 });