Update references to the extension messaging APIs to point to the "runtime"

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

Index: chrome/test/data/extensions/context_menus/separators/common.js
diff --git a/chrome/test/data/extensions/context_menus/separators/common.js b/chrome/test/data/extensions/context_menus/separators/common.js
index 012205909c77e9c9add9afe99426f3e43ed7c31d..8707440185579aac3580610ac53d0fadf3f5b3cd 100644
--- a/chrome/test/data/extensions/context_menus/separators/common.js
+++ b/chrome/test/data/extensions/context_menus/separators/common.js
@@ -14,7 +14,7 @@ function create(title, type, parent, callback) {
   }
 
   chrome.contextMenus.create(props, function() {
-    if (!chrome.extension.lastError && callback) {
+    if (!chrome.runtime.lastError && callback) {
       callback();
     }
   });