Resetting the HttpRequestInfo pointers in HttpNetworkTransaction and streams

net/http/http_stream_parser.h

Index: net/http/http_stream_parser.h
diff --git a/net/http/http_stream_parser.h b/net/http/http_stream_parser.h
index f5dbd0d564c012cd2f68b9976d15c91dcef7dafb..a072f27208a345003e531ee8aed9fcaaa5bc8311 100644
--- a/net/http/http_stream_parser.h
+++ b/net/http/http_stream_parser.h
@@ -19,7 +19,6 @@
 #include "net/base/completion_callback.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_export.h"
-#include "net/base/upload_progress.h"
 #include "net/log/net_log.h"
 
 namespace net {
@@ -72,10 +71,6 @@ class NET_EXPORT_PRIVATE HttpStreamParser {
 
   void Close(bool not_reusable);
 
-  // Returns the progress of uploading. When data is chunked, size is set to
-  // zero, but position will not be.
-  UploadProgress GetUploadProgress() const;
-
   bool IsResponseBodyComplete() const;
 
   bool CanFindEndOfResponse() const;
@@ -204,10 +199,14 @@ class NET_EXPORT_PRIVATE HttpStreamParser {
   // Check if buffers used to send the request are empty.
   bool SendRequestBuffersEmpty();
 
+  // Sets request_ to null.
+  void ResetRequestInfo();
+
   // Next state of the request, when the current one completes.
   State io_state_;
 
-  // The request to send.
+  // Null when read state machine is invoked. This is to allow the stream
+  // to be shared for reading and to possibly outlive request_'s owner.
   const HttpRequestInfo* request_;
 
   // The request header data.  May include a merged request body.