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

chrome/test/data/extensions/api_test/stubs/content_script.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Helper function to log message to both the local console and to the
 // background page, so that the latter can output the message via the
 // chrome.test.log() function.
 function logToConsoleAndStdout(msg) {
   console.log(msg);
   chrome.extension.sendRequest("log: " + msg);
@@ skipping 61 matching lines @@
                               parts.slice(0, i+1).join('.') + '(' + err + ')');
         return false;
       }
       if (typeof(module) == "undefined")
         return true;
     } else {
       // This is the last component - we expect it to either be undefined or
       // to throw an error on access.
       try {
         if (typeof(module[parts[i]]) == "undefined" &&
-            path != "extension.lastError" &&
+            path != "runtime.lastError" &&
             path != "runtime.lastError" &&
             path != "runtime.id") {
           logToConsoleAndStdout(" fail (undefined and not throwing error): " +
                                 path);
           return false;
         } else if (!expectError) {
           return true;
         }
       } catch (err) {
         if (!expectError) {
@@ skipping 64 matching lines @@
   console.log(success ? "pass" : "fail");
   if (success) {
     reportSuccess();
   } else {
     logToConsoleAndStdout("failures on:\n" + failures.join("\n") +
         "\n\n\n>>> See comment in stubs_apitest.cc for a " +
         "hint about fixing this failure.\n\n");
     reportFailure();
   }
 }