Merge 48667 - Prevent extensions from clobbering JSON implementation that ext...

chrome/test/data/extensions/api_test/messaging/connect/page.js

Index: chrome/test/data/extensions/api_test/messaging/connect/page.js
===================================================================
--- chrome/test/data/extensions/api_test/messaging/connect/page.js	(revision 49570)
+++ chrome/test/data/extensions/api_test/messaging/connect/page.js	(working copy)
@@ -1,3 +1,19 @@
+JSON.parse = function() {
+  return "JSON.parse clobbered by content script.";
+}
+
+JSON.stringify = function() {
+  return "JSON.stringify clobbered by content script.";
+}
+
+Array.prototype.toJSON = function() {
+  return "Array.prototype.toJSON clobbered by content script.";
+}
+
+Object.prototype.toJSON = function() {
+  return "Object.prototype.toJSON clobbered by content script.";
+}
+
 // For complex connect tests.
 chrome.extension.onConnect.addListener(function(port) {
   console.log('connected');