Prevent URLRequestRedirectJob from doing async execution

net/url_request/url_request_redirect_job.cc

Index: net/url_request/url_request_redirect_job.cc
diff --git a/net/url_request/url_request_redirect_job.cc b/net/url_request/url_request_redirect_job.cc
index b127220552e2975126e72b366cba95f49d42d33b..1dfb56dc083cece2c6bc3b79289fa6b08f2cfd6b 100644
--- a/net/url_request/url_request_redirect_job.cc
+++ b/net/url_request/url_request_redirect_job.cc
@@ -65,6 +65,11 @@ void URLRequestRedirectJob::Start() {
                             weak_factory_.GetWeakPtr()));
 }
 
+void URLRequestRedirectJob::Kill() {
+  weak_factory_.InvalidateWeakPtrs();
+  URLRequestJob::Kill();
+}
+
 bool URLRequestRedirectJob::CopyFragmentOnRedirect(const GURL& location) const {
   // The instantiators have full control over the desired redirection target,
   // including the reference fragment part of the URL.
@@ -81,6 +86,9 @@ int URLRequestRedirectJob::GetResponseCode() const {
 URLRequestRedirectJob::~URLRequestRedirectJob() {}
 
 void URLRequestRedirectJob::StartAsync() {
+  DCHECK(request_);
+  DCHECK(request_->status().is_success());
+
   receive_headers_end_ = base::TimeTicks::Now();
   response_time_ = base::Time::Now();