net: address review comments for NetLogWithSource renaming

net/http/bidirectional_stream_impl.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_IMPL_H_
 #define NET_HTTP_BIDIRECTIONAL_STREAM_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "net/base/load_timing_info.h"
 #include "net/base/net_export.h"
 #include "net/socket/next_proto.h"
 
 namespace base {
 class Timer;
 }  // namespace base
 
 namespace net {
 
+class IOBuffer;
 class NetLogWithSource;
-class IOBuffer;
 class SpdyHeaderBlock;
 struct BidirectionalStreamRequestInfo;
 
 // Exposes an interface to do HTTP/2 bidirectional streaming.
 // Note that only one ReadData or SendData should be in flight until the
 // operation completes synchronously or asynchronously.
 // BidirectionalStreamImpl once created by HttpStreamFactoryImpl should be owned
 // by BidirectionalStream.
 class NET_EXPORT_PRIVATE BidirectionalStreamImpl {
  public:
@@ skipping 119 matching lines @@
   // and false otherwise.
   virtual bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BidirectionalStreamImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_BIDIRECTIONAL_STREAM_IMPL_H_