Fixes the cache lock issue.

net/url_request/url_request_http_job.cc

Index: net/url_request/url_request_http_job.cc
diff --git a/net/url_request/url_request_http_job.cc b/net/url_request/url_request_http_job.cc
index 28f8a1ee1a5d16e9c3170cb97b13e036046bbdcf..b9c8a0185a1d795b4d54b19635e139bc48fcab37 100644
--- a/net/url_request/url_request_http_job.cc
+++ b/net/url_request/url_request_http_job.cc
@@ -261,6 +261,9 @@ URLRequestHttpJob::~URLRequestHttpJob() {
   DestroySourceStream();
 
   DoneWithRequest(ABORTED);
+  if (transaction_) {
+    transaction_->Orphan(std::move(transaction_));
+  }
 }
 
 void URLRequestHttpJob::SetPriority(RequestPriority priority) {
@@ -437,7 +440,7 @@ void URLRequestHttpJob::DestroyTransaction() {
       transaction_->GetTotalReceivedBytes();
   total_sent_bytes_from_previous_transactions_ +=
       transaction_->GetTotalSentBytes();
-  transaction_.reset();
+  transaction_->Orphan(std::move(transaction_));
   response_info_ = NULL;
   receive_headers_end_ = base::TimeTicks();
 }