Fixes the cache lock issue.

net/http/http_transaction.h

Index: net/http/http_transaction.h
diff --git a/net/http/http_transaction.h b/net/http/http_transaction.h
index eff45d10c5648d618e4366a6ea91a398b06016b1..ad3b291f817730d0d7d8786a8b2e789b79abdb26 100644
--- a/net/http/http_transaction.h
+++ b/net/http/http_transaction.h
@@ -72,6 +72,11 @@ class NET_EXPORT_PRIVATE HttpTransaction {
                     const CompletionCallback& callback,
                     const NetLogWithSource& net_log) = 0;
 
+  // Ownership of the transaction is transferred from the consumer to the

[jkarlin, 2016/12/06 18:08:18]

s/from the consumer to the transaction/to the transaction itself/.

[shivanisha, 2016/12/06 21:53:35]

done.

+  // transaction. It can be either reset in the method or reset can be deferred
+  // if some asynchronous operation is in progress.
+  virtual void Orphan(std::unique_ptr<HttpTransaction> trans) = 0;

[jkarlin, 2016/12/06 18:08:18]

Let's move this method to the bottom of the public API as this is about cleanup
and not the primary interface readers are looking for.

[shivanisha, 2016/12/06 21:53:35]

done.

+
   // Restarts the HTTP transaction, ignoring the last error.  This call can
   // only be made after a call to Start (or RestartIgnoringLastError) failed.
   // Once Read has been called, this method cannot be called.  This method is