DevTools: use semicolons after each statement.

third_party/WebKit/Source/devtools/front_end/screencast/ScreencastApp.js

 // Copyright 2014 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.
 
 /**
  * @constructor
  * @implements {WebInspector.App}
  * @implements {WebInspector.TargetManager.Observer}
  */
 WebInspector.ScreencastApp = function()
@@ skipping 95 matching lines @@
         WebInspector.ScreencastApp._appInstance = new WebInspector.ScreencastApp();
     return WebInspector.ScreencastApp._appInstance;
 };
 
 /**
  * @constructor
  * @implements {WebInspector.ToolbarItem.Provider}
  */
 WebInspector.ScreencastApp.ToolbarButtonProvider = function()
 {
-}
+};
 
 WebInspector.ScreencastApp.ToolbarButtonProvider.prototype = {
     /**
      * @override
      * @return {?WebInspector.ToolbarItem}
      */
     item: function()
     {
         return WebInspector.ScreencastApp._instance()._toggleButton;
     }
-}
+};
 
 /**
  * @constructor
  * @implements {WebInspector.AppProvider}
  */
 WebInspector.ScreencastAppProvider = function()
 {
 };
 
 WebInspector.ScreencastAppProvider.prototype = {
     /**
      * @override
      * @return {!WebInspector.App}
      */
     createApp: function()
     {
         return WebInspector.ScreencastApp._instance();
     }
 };