Set network_accessed earlier, when network transaction creates stream.

net/http/http_transaction.h

 // Copyright (c) 2011 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_HTTP_TRANSACTION_H_
 #define NET_HTTP_HTTP_TRANSACTION_H_
 
 #include "net/base/completion_callback.h"
 #include "net/base/load_states.h"
 #include "net/base/net_export.h"
@@ skipping 115 matching lines @@
 
   // Called to tell the transaction that we have successfully reached the end
   // of the stream. This is equivalent to performing an extra Read() at the end
   // that should return 0 bytes. This method should not be called if the
   // transaction is busy processing a previous operation (like a pending Read).
   //
   // DoneReading may also be called before the first Read() to notify that the
   // entire response body is to be ignored (e.g., in a redirect).
   virtual void DoneReading() = 0;
 
-  // Returns the response info for this transaction or NULL if the response
-  // info is not available.
+  // Returns the response info for this transaction. Must not be called until
+  // |Start| completes.
   virtual const HttpResponseInfo* GetResponseInfo() const = 0;
 
   // Returns the load state for this transaction.
   virtual LoadState GetLoadState() const = 0;
 
   // Returns the upload progress in bytes.  If there is no upload data,
   // zero will be returned.  This does not include the request headers.
   virtual UploadProgress GetUploadProgress() const = 0;
 
   // SetQuicServerInfo sets a object which reads and writes public information
@@ skipping 27 matching lines @@
 
   // Resumes the transaction after being deferred.
   virtual int ResumeNetworkStart() = 0;
 
   virtual void GetConnectionAttempts(ConnectionAttempts* out) const = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_TRANSACTION_H_