WebUI: Move test_browser_proxy.js one level up.

chrome/test/data/webui/settings/settings_main_test.js

Index: chrome/test/data/webui/settings/settings_main_test.js
diff --git a/chrome/test/data/webui/settings/settings_main_test.js b/chrome/test/data/webui/settings/settings_main_test.js
index 590af525b4e5dbbf6c5142de4488f1b7461c181f..9d03322510c6b20f3046cfca812a05187db12e56 100644
--- a/chrome/test/data/webui/settings/settings_main_test.js
+++ b/chrome/test/data/webui/settings/settings_main_test.js
@@ -10,10 +10,10 @@ cr.define('settings_main_page', function() {
    * TestProxy).
    *
    * @implements {SearchManager}
-   * @extends {settings.TestBrowserProxy}
+   * @extends {TestBrowserProxy}
    */
   var TestSearchManager = function() {
-    settings.TestBrowserProxy.call(this, [
+    TestBrowserProxy.call(this, [
       'search',
     ]);
 
@@ -25,7 +25,7 @@ cr.define('settings_main_page', function() {
   }
 
   TestSearchManager.prototype = {
-    __proto__: settings.TestBrowserProxy.prototype,
+    __proto__: TestBrowserProxy.prototype,
 
     /**
      * @param {boolean} matchesFound