DevTools: Add timestamp support in the console

Source/devtools/front_end/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 85 matching lines @@
     this.messagesElement.addEventListener("contextmenu", this._handleContextMenuEvent.bind(this), false);
 
     WebInspector.settings.monitoringXHREnabled.addChangeListener(this._monitoringXHREnabledSettingChanged.bind(this));
 
     this._linkifier = new WebInspector.Linkifier();
 
     /** @type {!Map.<!WebInspector.ConsoleMessage, !WebInspector.ConsoleViewMessage>} */
     this._messageToViewMessage = new Map();
     /** @type {!Array.<!WebInspector.ConsoleMessage>} */
     this._consoleMessages = [];
-    this._previousMessage = null;
 
     this.prompt = new WebInspector.TextPromptWithHistory(this._completionsForTextPrompt.bind(this));
     this.prompt.setSuggestBoxEnabled("generic-suggest");
     this.prompt.renderAsBlock();
     this.prompt.attach(this.promptElement);
     this.prompt.proxyElement.addEventListener("keydown", this._promptKeyDown.bind(this), false);
     this.prompt.setHistoryData(WebInspector.settings.consoleHistory.get());
 
     WebInspector.targetManager.targets().forEach(this._targetAdded, this);
     WebInspector.targetManager.addEventListener(WebInspector.TargetManager.Events.TargetAdded, this._onTargetAdded, this);
@@ skipping 297 matching lines @@
     /**
      * @param {!WebInspector.ConsoleMessage} message
      */
     _consoleMessageAdded: function(target, message)
     {
         if (this._urlToMessageCount[message.url])
             this._urlToMessageCount[message.url]++;
         else
             this._urlToMessageCount[message.url] = 1;
 
-        if (this._previousMessage && !message.isGroupMessage() && message.isEqual(this._previousMessage)) {
-            this._messageToViewMessage.get(this._previousMessage).incrementRepeatCount();
+        var previousMessage = this._consoleMessages.peekLast();
+        if (previousMessage && !message.isGroupMessage() && message.isEqual(previousMessage)) {
+            previousMessage.timestamp = message.timestamp;
+            this._messageToViewMessage.get(previousMessage).incrementRepeatCount();
             return;
         }
 
         this._consoleMessages.push(message);
-        this._previousMessage = message;
         var viewMessage = this._createViewMessage(target, message);
 
         if (this._filter.shouldBeVisible(viewMessage))
             this._showConsoleMessage(viewMessage);
         else
             this._updateFilterStatus();
     },
 
     /**
      * @param {!WebInspector.Event} event
@@ skipping 59 matching lines @@
     {
         this._scrolledToBottom = true;
         this._clearCurrentSearchResultHighlight();
         this._updateFilterStatus(0);
 
         for (var i = 0; i < this._visibleViewMessages.length; ++i)
             this._visibleViewMessages[i].willHide();
 
         this._visibleViewMessages = [];
         this._searchResults = [];
-        this._previousMessage = null;
         this._messageToViewMessage.clear();
         this._consoleMessages = [];
 
         if (this._searchRegex)
             this._searchableView.updateSearchMatchesCount(0);
 
         this.currentGroup = this.topGroup;
         this.topGroup.messagesElement.removeChildren();
 
         this._linkifier.reset();
@@ skipping 653 matching lines @@
         var node = this.messagesElement.firstChild;
         while (node) {
             if (node.classList.contains("console-message") && node.message)
                 node.message.wasShown();
             if (node.classList.contains("console-group") && node.group)
                 node.group.wasShown();
             node = node.nextSibling;
         }
     }
 }