DevTools: Implement console message logging through an extension

Source/devtools/front_end/sources/SourcesPanel.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 965 matching lines @@
          * @param {!WebInspector.Target} target
          * @param {?WebInspector.RemoteObject} result
          */
         function failedToSave(target, result)
         {
             var message = WebInspector.UIString("Failed to save to temp variable.");
             if (result) {
                 message += " " + result.description;
                 result.release();
             }
-            target.consoleModel.showErrorMessage(message)
+            target.consoleModel.showErrorMessage(message);
         }
     },
 
     /**
      * @param {!WebInspector.RemoteObject} remoteObject
      */
     _showFunctionDefinition: function(remoteObject)
     {
         /**
          * @param {?Protocol.Error} error
@@ skipping 389 matching lines @@
             var disabled = forbidden || (status === "disabled");
 
             this._disableJSInfo.classList.toggle("hidden", !forbidden);
             this._disableJSCheckbox.checked = disabled;
             this._disableJSCheckbox.disabled = forbidden;
         }
     },
 
     __proto__: WebInspector.UISettingDelegate.prototype
 }