Revert of Revert of DevTools: allow storing devtools preferences on the browser side. [blink]

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 1024 matching lines @@
 {
     var queryParams = location.search;
     if (!queryParams)
         return;
     var params = queryParams.substring(1).split("&");
     for (var i = 0; i < params.length; ++i) {
         var pair = params[i].split("=");
         var name = pair.shift();
         Runtime._queryParamsObject[name] = pair.join("=");
     }
-
-    // Patch settings from the URL param (for tests).
-    var settingsParam = Runtime.queryParam("settings");
-    if (settingsParam) {
-        try {
-            var settings = JSON.parse(window.decodeURI(settingsParam));
-            for (var key in settings)
-                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();
 
 /**
  * @type {?string}
  */
 Runtime._remoteBase = Runtime.queryParam("remoteBase");
 
 /** @type {!Runtime} */
 var runtime;