Make headless_shell target compile for Windows

headless/public/util/deterministic_dispatcher.cc

 // Copyright 2016 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 "headless/public/util/deterministic_dispatcher.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 71 matching lines @@
 
   dispatch_pending_ = true;
   io_thread_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&DeterministicDispatcher::MaybeDispatchJobOnIOThreadTask,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 void DeterministicDispatcher::MaybeDispatchJobOnIOThreadTask() {
   Request request;
-  net::Error job_status;
+  net::Error job_status = net::ERR_FAILED;
 
   {
     base::AutoLock lock(lock_);
     dispatch_pending_ = false;
     // If the job got deleted, |pending_requests_| may be empty.
     if (pending_requests_.empty())
       return;
 
     // Bail out if we're waiting for a navigation to complete.
     if (navigation_in_progress_)
@@ skipping 51 matching lines @@
     : url_request(nullptr), navigation_request(std::move(navigation_request)) {}
 
 DeterministicDispatcher::Request& DeterministicDispatcher::Request::operator=(
     DeterministicDispatcher::Request&& other) {
   url_request = other.url_request;
   navigation_request = std::move(other.navigation_request);
   return *this;
 }
 
 }  // namespace headless