switch to using native JSON object

chrome/renderer/extensions/extension_api_client_unittest.cc

 // Copyright (c) 2009 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.
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/extensions/extension_process_bindings.h"
@@ skipping 53 matching lines @@
 // same way.
 TEST_F(ExtensionAPIClientTest, CallbackDispatching) {
   ExecuteJavaScript(
     "function assert(truth, message) {"
     "  if (!truth) {"
     "    throw new Error(message);"
     "  }"
     "}"
     "function callback(result) {"
     "  assert(typeof result == 'object', 'result not object');"
-    "  assert(goog.json.serialize(result) == '{\"foo\":\"bar\"}', "
+    "  assert(JSON.stringify(result) == '{\"foo\":\"bar\"}', "
     "         'incorrect result');"
     "  console.log('pass')"
     "}"
     "chrome.tabs.create({}, callback);"
   );
 
   EXPECT_EQ("", GetConsoleMessage());
 
   // Ok, we should have gotten a message to create a tab, grab the callback ID.
   const IPC::Message* request_msg =
@@ skipping 386 matching lines @@
                "SetBookmarkTitle",
                "{\"id\":42,\"title\":\"x\"}");
 }
 
 TEST_F(ExtensionAPIClientTest, EnablePageAction) {
   ExpectJsPass("chrome.pageActions.enableForTab("
                "\"dummy\", {tabId: 0, url: \"http://foo/\"});",
                "EnablePageAction",
                "[\"dummy\",{\"tabId\":0,\"url\":\"http://foo/\"}]");
 }