WebUI: Move test_browser_proxy.js one level up.

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

Index: chrome/test/data/webui/settings/appearance_fonts_page_test.js
diff --git a/chrome/test/data/webui/settings/appearance_fonts_page_test.js b/chrome/test/data/webui/settings/appearance_fonts_page_test.js
index 84f90d53218c8b0ba82577f4307bdcb0f1a9fa41..f2741e1ddff8248ccd65be9ea5a7ab2ee4fc52b3 100644
--- a/chrome/test/data/webui/settings/appearance_fonts_page_test.js
+++ b/chrome/test/data/webui/settings/appearance_fonts_page_test.js
@@ -5,10 +5,10 @@
 /**
  * @constructor
  * @implements {settings.FontsBrowserProxy}
- * @extends {settings.TestBrowserProxy}
+ * @extends {test.TestBrowserProxy}
  */
 var TestFontsBrowserProxy = function() {
-  settings.TestBrowserProxy.call(this, [
+  test.TestBrowserProxy.call(this, [
     'fetchFontsData',
     'observeAdvancedFontExtensionAvailable',
     'openAdvancedFontSettings',
@@ -22,7 +22,7 @@ var TestFontsBrowserProxy = function() {
 };
 
 TestFontsBrowserProxy.prototype = {
-  __proto__: settings.TestBrowserProxy.prototype,
+  __proto__: test.TestBrowserProxy.prototype,
 
   /** @override */
   fetchFontsData: function() {