[New Tab Page] Change the mechanism to intercept online NTP errors

content/browser/loader/resource_dispatcher_host_browsertest.cc

 // 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.
 
 #include "base/memory/ref_counted.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/download/download_manager_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
@@ skipping 24 matching lines @@
 
 class ResourceDispatcherHostBrowserTest : public ContentBrowserTest,
                                           public DownloadManager::Observer {
  public:
   ResourceDispatcherHostBrowserTest() : got_downloads_(false) {}
 
  protected:
   void SetUpOnMainThread() override {
     base::FilePath path = GetTestFilePath("", "");
     BrowserThread::PostTask(
-        BrowserThread::IO,
-        FROM_HERE,
+        BrowserThread::IO, FROM_HERE,
         base::Bind(
-            &net::URLRequestMockHTTPJob::AddUrlHandler,
-            path,
+            &net::URLRequestMockHTTPJob::AddUrlHandlers, path,
             make_scoped_refptr(content::BrowserThread::GetBlockingPool())));
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&net::URLRequestFailedJob::AddUrlHandler));
   }
 
   void OnDownloadCreated(DownloadManager* manager,
                          DownloadItem* item) override {
     if (!got_downloads_)
       got_downloads_ = !!manager->InProgressCount();
@@ skipping 454 matching lines @@
   NavigateToURLBlockUntilNavigationsComplete(
       shell(),
       embedded_test_server()->GetURL("/client_redirect.html"),
       2);
 
   EXPECT_TRUE(
       delegate.page_transition() & ui::PAGE_TRANSITION_CLIENT_REDIRECT);
 }
 
 }  // namespace content