Update from https://crrev.com/311076

net/filter/mock_filter_context.h

 // Copyright 2014 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_FILTER_MOCK_FILTER_CONTEXT_H_
 #define NET_FILTER_MOCK_FILTER_CONTEXT_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 60 matching lines @@
   int GetResponseCode() const override;
 
   // The URLRequestContext associated with the request.
   const URLRequestContext* GetURLRequestContext() const override;
 
   void RecordPacketStats(StatisticSelector statistic) const override {}
 
   const BoundNetLog& GetNetLog() const override;
 
  private:
-  int buffer_size_;
   std::string mime_type_;
   std::string content_disposition_;
   GURL gurl_;
   base::Time request_time_;
   bool is_cached_content_;
   bool is_download_;
   scoped_ptr<SdchManager::DictionarySet> dictionaries_handle_;
   bool ok_to_call_get_url_;
   int response_code_;
   scoped_ptr<URLRequestContext> context_;
   BoundNetLog net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(MockFilterContext);
 };
 
 }  // namespace net
 
 #endif  // NET_FILTER_MOCK_FILTER_CONTEXT_H_