Add a function to add extra headers from NavigationThrottle

content/test/test_navigation_url_loader.cc

 // Copyright (c) 2014 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 "content/test/test_navigation_url_loader.h"
 
 #include "content/browser/loader/navigation_url_loader_delegate.h"
 #include "content/public/browser/stream_handle.h"
 #include "content/public/common/resource_response.h"
 #include "net/url_request/redirect_info.h"
 
 namespace content {
 
 TestNavigationURLLoader::TestNavigationURLLoader(
     scoped_ptr<NavigationRequestInfo> request_info,
     NavigationURLLoaderDelegate* delegate)
     : request_info_(request_info.Pass()),
       delegate_(delegate),
       redirect_count_(0) {
 }
 
-void TestNavigationURLLoader::FollowRedirect() {
+void TestNavigationURLLoader::FollowRedirect(
+    const std::vector<std::pair<std::string, std::string>>& extra_headers) {
   redirect_count_++;
 }
 
 void TestNavigationURLLoader::SimulateServerRedirect(const GURL& redirect_url) {
   net::RedirectInfo redirect_info;
   redirect_info.status_code = 302;
   redirect_info.new_method = "GET";
   redirect_info.new_url = redirect_url;
   redirect_info.new_first_party_for_cookies = redirect_url;
   scoped_refptr<ResourceResponse> response(new ResourceResponse);
@@ skipping 12 matching lines @@
 
 void TestNavigationURLLoader::CallOnResponseStarted(
     const scoped_refptr<ResourceResponse>& response,
     scoped_ptr<StreamHandle> body) {
   delegate_->OnResponseStarted(response, body.Pass());
 }
 
 TestNavigationURLLoader::~TestNavigationURLLoader() {}
 
 }  // namespace content