Move context menu module out of experimental.

chrome/test/data/extensions/context_menus/test.js

Index: chrome/test/data/extensions/context_menus/test.js
diff --git a/chrome/test/data/extensions/context_menus/test.js b/chrome/test/data/extensions/context_menus/test.js
index 778b42c62ba9a4b34f6bc0f3f6bccd0e5fe019fb..8389ad0c43c749e439b52a6cf29b51e321ed682a 100644
--- a/chrome/test/data/extensions/context_menus/test.js
+++ b/chrome/test/data/extensions/context_menus/test.js
@@ -25,8 +25,8 @@ function onclick(info) {
 }
 
 window.onload = function() {
-  chrome.experimental.contextMenus.create({"title":"Extension Item 1",
-                                          "onclick": onclick}, function() {
+  chrome.contextMenus.create({"title":"Extension Item 1",
+                              "onclick": onclick}, function() {
     if (!chrome.extension.lastError) {
       navigateCurrentTab(chrome.extension.getURL("test.html"));
     }