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

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

Index: chrome/test/data/extensions/context_menus/patterns/test.js
diff --git a/chrome/test/data/extensions/context_menus/patterns/test.js b/chrome/test/data/extensions/context_menus/patterns/test.js
index ef9bd45a622e167fc817f7d01af9d008e0bbe5c3..37c8bf6c1bc51b7fcd154708344942f8e2ba54cc 100644
--- a/chrome/test/data/extensions/context_menus/patterns/test.js
+++ b/chrome/test/data/extensions/context_menus/patterns/test.js
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 var make_browsertest_proceed = function() {
-  if (!chrome.extension.lastError) {
+  if (!chrome.runtime.lastError) {
     chrome.test.sendMessage("created items");
   }
 };