Add GetLoadTimingInfo to net::BidirectionalStream

net/http/bidirectional_stream.h

 // Copyright 2015 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.
 
 #ifndef NET_HTTP_BIDIRECTIONAL_STREAM_H_
 #define NET_HTTP_BIDIRECTIONAL_STREAM_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
+#include "net/base/load_timing_info.h"
 #include "net/http/bidirectional_stream_impl.h"
 #include "net/http/http_stream_factory.h"
 #include "net/log/net_log.h"
 
 class GURL;
 
 namespace net {
 
 class HttpAuthController;
 class HttpNetworkSession;
@@ skipping 137 matching lines @@
   // frame headers, after SSL decryption and not including proxy overhead.
   // If stream has not been established, return 0.
   int64_t GetTotalReceivedBytes() const;
 
   // Total number of bytes sent over the network of SPDY frames associated with
   // this stream, including the size of frame headers, before SSL encryption and
   // not including proxy overhead. Note that some SPDY frames such as pings are
   // not associated with any stream, and are not included in this value.
   int64_t GetTotalSentBytes() const;
 
-  // TODO(xunjieli): Implement a method to do flow control and a method to ping
-  // remote end point.
+  // Get LoadTimingInfo of this stream.
+  void GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const;
 
  private:
   // BidirectionalStreamImpl::Delegate implementation:
   void OnStreamReady(bool request_headers_sent) override;
   void OnHeadersReceived(const SpdyHeaderBlock& response_headers) override;
   void OnDataRead(int bytes_read) override;
   void OnDataSent() override;
   void OnTrailersReceived(const SpdyHeaderBlock& trailers) override;
   void OnFailed(int error) override;
 
@@ skipping 53 matching lines @@
   // non-NULL, if the |stream_request_| successfully finishes.
   std::unique_ptr<BidirectionalStreamImpl> stream_impl_;
 
   // Buffer used for reading.
   scoped_refptr<IOBuffer> read_buffer_;
   // List of buffers used for writing.
   std::vector<scoped_refptr<IOBuffer>> write_buffer_list_;
   // List of buffer length.
   std::vector<int> write_buffer_len_list_;
 
-  base::TimeTicks start_time_;
-  base::TimeTicks read_start_time_;
+  // TODO(xunjieli): Remove this once LoadTimingInfo has response end.
   base::TimeTicks read_end_time_;
-  base::TimeTicks send_start_time_;
-  base::TimeTicks send_end_time_;
+
+  // Load timing info of this stream. |connect_timing| is obtained when headers
+  // are received. Other fields are populated at different stages of the request
+  LoadTimingInfo load_timing_info_;
 
   base::WeakPtrFactory<BidirectionalStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BidirectionalStream);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_BIDIRECTIONAL_STREAM_H_