Add automation call to wait for multiple navigations.

chrome/browser/errorpage_uitest.cc

 // Copyright (c) 2006-2008 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/string_util.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/ui/ui_test.h"
 #include "chrome/browser/net/url_request_failed_dns_job.h"
 #include "chrome/browser/net/url_request_mock_http_job.h"
 #include "net/url_request/url_request_unittest.h"
@@ skipping 12 matching lines @@
     for (int i = 0; i < 100; ++i) {
       std::wstring title = GetActiveTabTitle();
       if (title.find(UTF8ToWide(title_substring)) != std::wstring::npos)
         return true;
       PlatformThread::Sleep(sleep_timeout_ms() / 10);
     }
     return false;
   }
 };
 
-// Flaky, see http://crbug.com/19361 and http://crbug.com/19395.
-TEST_F(ErrorPageTest, DISABLED_DNSError_Basic) {
+TEST_F(ErrorPageTest, DNSError_Basic) {
   GURL test_url(URLRequestFailedDnsJob::kTestUrl);
 
-  NavigateToURL(test_url);
+  NavigateToURLBlockUntilNavigationsComplete(test_url, 2);
 
   EXPECT_TRUE(WaitForTitleContaining(test_url.host()));
 }
 
 // Flaky, see http://crbug.com/19361 and http://crbug.com/19395.
 TEST_F(ErrorPageTest, DISABLED_DNSError_GoBack1) {
   // Test that a DNS error occuring in the main frame does not result in an
   // additional session history entry.
   GURL test_url(URLRequestFailedDnsJob::kTestUrl);
 
@@ skipping 119 matching lines @@
 
 TEST_F(ErrorPageTest, Page404_GoBack) {
   NavigateToURL(URLRequestMockHTTPJob::GetMockUrl(L"title2.html"));
   NavigateToURL(URLRequestMockHTTPJob::GetMockUrl(L"page404.html"));
   EXPECT_TRUE(WaitForTitleContaining("page404.html"));
 
   GetActiveTab()->GoBack();
 
   EXPECT_TRUE(WaitForTitleMatching(L"Title Of Awesomeness"));
 }