DevTools: Adopt nbsp as unit & thousands separator for broader font support

third_party/WebKit/Source/devtools/front_end/timeline/TimelineTreeView.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.
 
 /**
  * @unrestricted
  * @implements {UI.Searchable}
  */
 Timeline.TimelineTreeView = class extends UI.VBox {
   constructor() {
@@ skipping 551 matching lines @@
         value = this._profileNode.totalTime;
         maxTime = this._maxTotalTime;
         showPercents = true;
         break;
       default:
         return null;
     }
     var cell = this.createTD(columnId);
     cell.className = 'numeric-column';
     var textDiv = cell.createChild('div');
-    textDiv.createChild('span').textContent = Common.UIString('%.1f\u2009ms', value);
+    textDiv.createChild('span').textContent = Common.UIString('%.1f\xa0ms', value);
 
     if (showPercents && this._treeView._exposePercentages()) {
       textDiv.createChild('span', 'percent-column').textContent =
-          Common.UIString('%.1f\u2009%%', value / this._grandTotalTime * 100);
+          Common.UIString('%.1f\xa0%%', value / this._grandTotalTime * 100);
     }
     if (maxTime) {
       textDiv.classList.add('background-percent-bar');
       cell.createChild('div', 'background-bar-container').createChild('div', 'background-bar').style.width =
           (value * 100 / maxTime).toFixed(1) + '%';
     }
     return cell;
   }
 };
 
@@ skipping 403 matching lines @@
 
   _onSelectionChanged() {
     this.dispatchEventToListeners(Timeline.TimelineStackView.Events.SelectionChanged);
   }
 };
 
 /** @enum {symbol} */
 Timeline.TimelineStackView.Events = {
   SelectionChanged: Symbol('SelectionChanged')
 };