[DevTools] Add "remoteModules" experiment.

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 714 matching lines @@
 
     /**
      * @return {!Promise.<undefined>}
      */
     _loadScripts: function()
     {
         if (!this._descriptor.scripts)
             return Promise.resolve();
 
         if (Runtime.isReleaseMode()) {
-            var base = this._descriptor.remote && Runtime._remoteBase || undefined;
+            var useRemote = this._descriptor.remote && Runtime.experiments.isEnabled("remoteModules");
+            var base = useRemote && Runtime._remoteBase || undefined;
             return loadScriptsPromise([this._name + "_module.js"], base);
         }
 
         return loadScriptsPromise(this._descriptor.scripts.map(this._modularizeURL, this));
     },
 
     /**
      * @param {string} resourceName
      */
     _modularizeURL: function(resourceName)
@@ skipping 306 matching lines @@
                 window.localStorage[key] = settings[key];
         } catch(e) {
             // Ignore malformed settings.
         }
     }
 })();}
 
 
 // This must be constructed after the query parameters have been parsed.
 Runtime.experiments = new Runtime.ExperimentsSupport();
+Runtime.experiments.register("remoteModules", "Remote Modules", true);
 
 /**
  * @type {?string}
  */
 Runtime._remoteBase = Runtime.queryParam("remoteBase");
 
 /** @type {!Runtime} */
 var runtime;