DevTools: [Console] fix regressed array formatting

Source/devtools/front_end/console/ConsoleView.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 73 matching lines @@
     this._scrolledToBottom = true;
 
     this._filterStatusMessageElement = this._messagesElement.createChild("div", "console-message");
     this._filterStatusTextElement = this._filterStatusMessageElement.createChild("span", "console-info");
     this._filterStatusMessageElement.createTextChild(" ");
     var resetFiltersLink = this._filterStatusMessageElement.createChild("span", "console-info node-link");
     resetFiltersLink.textContent = WebInspector.UIString("Show all messages.");
     resetFiltersLink.addEventListener("click", this._filter.reset.bind(this._filter), true);
 
     this._messagesContainer = this._messagesElement.createChild("div", "console-group");
+    this._messagesContainer.classList.add("console-group-messages");
     this._topGroup = WebInspector.ConsoleGroup.createTopGroup();
     this._currentGroup = this._topGroup;
 
     this._promptElement = this._messagesElement.createChild("div", "source-code");
     this._promptElement.id = "console-prompt";
     this._promptElement.spellcheck = false;
     this._promptElement.addEventListener("paste", this._onPasteIntoPrompt.bind(this), false);
     this._promptElement.addEventListener("drop", this._onPasteIntoPrompt.bind(this), false);
     this._messagesElement.appendChild(this._promptElement);
     this._messagesElement.appendChild(document.createElement("br"));
@@ skipping 1039 matching lines @@
 WebInspector.ConsoleView.ShowConsoleActionDelegate.prototype = {
     /**
      * @return {boolean}
      */
     handleAction: function()
     {
         WebInspector.console.show();
         return true;
     }
 }