DevTools: [lighthouse] Implement performance metrics filmstrip

third_party/WebKit/Source/devtools/front_end/Runtime.js

 /*
  * Copyright (C) 2014 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 556 matching lines @@
    * @param {!Function} constructorFunction
    * @return {!Object}
    */
   sharedInstance(constructorFunction) {
     if (Runtime._instanceSymbol in constructorFunction)
       return constructorFunction[Runtime._instanceSymbol];
     var instance = new constructorFunction();
     constructorFunction[Runtime._instanceSymbol] = instance;
     return instance;
   }
-}
-
-;
-
+};
 
 /**
  * @type {!Object.<string, string>}
  */
 Runtime._queryParamsObject = {
   __proto__: null
 };
 
 Runtime._instanceSymbol = Symbol('instance');
 Runtime._extensionSymbol = Symbol('extension');
@@ skipping 534 matching lines @@
   send(message) {},
 
   /**
    * @return {!Promise<boolean>}
    */
   close() {}
 };
 
 /** @type {!Runtime} */
 var runtime;