Remove URLs from chrome.tabs.executeScript permission warning.

chrome/test/data/extensions/api_test/executescript/basic/test.js

Index: chrome/test/data/extensions/api_test/executescript/basic/test.js
diff --git a/chrome/test/data/extensions/api_test/executescript/basic/test.js b/chrome/test/data/extensions/api_test/executescript/basic/test.js
index 39102cefc260f6374cf9fc7975a2446375fa5039..5937596807b92521cc1b4c83c3b6b2e82f53c4de 100644
--- a/chrome/test/data/extensions/api_test/executescript/basic/test.js
+++ b/chrome/test/data/extensions/api_test/executescript/basic/test.js
@@ -91,6 +91,8 @@ chrome.test.getConfig(function(config) {
         chrome.tabs.update(tabId, { url: testFailureUrl }, function() {
           var script_file = {};
           script_file.code = "document.title = 'executeScript';";
+          // The error message should contain the URL of the site for which it
+          // failed because the extension has the tabs permission.
           chrome.tabs.executeScript(tabId, script_file, fail(
               'Cannot access contents of url "' + testFailureUrl +
               '". Extension manifest must request permission to access this ' +