Add a function to add extra headers from NavigationThrottle

content/browser/loader/navigation_url_loader_impl_core.cc

 // Copyright 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/browser/loader/navigation_url_loader_impl_core.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/navigation_request_info.h"
@@ skipping 33 matching lines @@
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&NavigationURLLoaderImpl::NotifyRequestStarted, loader_,
                  base::TimeTicks::Now()));
 
   ResourceDispatcherHostImpl::Get()->BeginNavigationRequest(
       resource_context, *request_info, this, service_worker_handle_core);
 }
 
-void NavigationURLLoaderImplCore::FollowRedirect() {
+void NavigationURLLoaderImplCore::FollowRedirect(
+    const std::vector<std::pair<std::string, std::string>>& extra_headers) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   if (resource_handler_)
-    resource_handler_->FollowRedirect();
+    resource_handler_->FollowRedirect(extra_headers);
 }
 
 void NavigationURLLoaderImplCore::NotifyRequestRedirected(
     const net::RedirectInfo& redirect_info,
     ResourceResponse* response) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   // Make a copy of the ResourceResponse before it is passed to another thread.
   //
   // TODO(davidben): This copy could be avoided if ResourceResponse weren't
@@ skipping 29 matching lines @@
                                                       int net_error) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&NavigationURLLoaderImpl::NotifyRequestFailed, loader_,
                  in_cache, net_error));
 }
 
 }  // namespace content