DevTools: Implement console message logging through an extension

Source/devtools/front_end/main/Main.js

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * 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
@@ skipping 352 matching lines @@
         WebInspector.liveEditSupport = new WebInspector.LiveEditSupport(WebInspector.workspace);
         new WebInspector.CSSStyleSheetMapping(WebInspector.cssModel, WebInspector.workspace, WebInspector.networkWorkspaceBinding);
 
         // Create settings before loading modules.
         WebInspector.settings.initializeBackendSettings();
 
         this._registerModules();
         WebInspector.actionRegistry = new WebInspector.ActionRegistry();
         WebInspector.shortcutRegistry = new WebInspector.ShortcutRegistry(WebInspector.actionRegistry);
         this._registerForwardedShortcuts();
+        this._registerMessageSinkListener();
 
         WebInspector.inspectorView = new WebInspector.InspectorView();
 
         // Screencast controller creates a root view itself.
         if (mainTarget.canScreencast)
             this._screencastController = new WebInspector.ScreencastController();
         else
             this._createRootView();
         this._createGlobalStatusBarItems();
 
@@ skipping 41 matching lines @@
 
     _registerForwardedShortcuts: function()
     {
         /** @const */ var forwardedActions = ["main.reload", "main.hard-reload"];
         var actionKeys = WebInspector.shortcutRegistry.keysForActions(forwardedActions).map(WebInspector.KeyboardShortcut.keyCodeAndModifiersFromKey);
 
         actionKeys.push({keyCode: WebInspector.KeyboardShortcut.Keys.F8.code});
         InspectorFrontendHost.setWhitelistedShortcuts(JSON.stringify(actionKeys));
     },
 
+    _registerMessageSinkListener: function()
+    {
+        WebInspector.messageSink.addEventListener(WebInspector.MessageSink.Events.MessageAdded, messageAdded);
+
+        /**
+         * @param {!WebInspector.Event} event
+         */
+        function messageAdded(event)
+        {
+            var message = /** @type {!WebInspector.MessageSink.Message} */ (event.data);
+            if (message.show)
+                WebInspector.actionRegistry.execute("console.show");
+        }
+    },
+
     _documentClick: function(event)
     {
         var anchor = event.target.enclosingNodeOrSelfWithNodeName("a");
         if (!anchor || !anchor.href)
             return;
 
         // Prevent the link from navigating, since we don't do any navigation by following links normally.
         event.consume(true);
 
         if (anchor.target === "_blank") {
@@ skipping 390 matching lines @@
 
 WebInspector.__defineGetter__("inspectedPageURL", function()
 {
     return WebInspector.resourceTreeModel.inspectedPageURL();
 });
 
 WebInspector.panel = function(name)
 {
     return WebInspector.inspectorView.panel(name);
 }