net: address review comments for NetLogWithSource renaming

net/filter/filter.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.
 //
 // Filter performs filtering on data streams. Sample usage:
 //
 //   IStream* pre_filter_source;
 //   ...
 //   std::unique_ptr<Filter> filter = Filter::Factory(filter_type, size);
 //   int pre_filter_data_len = filter->stream_buffer_size();
@@ skipping 45 matching lines @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "net/base/net_export.h"
 #include "net/base/sdch_manager.h"
 
 class GURL;
 
 namespace net {
 
+class IOBuffer;
 class NetLogWithSource;
-class IOBuffer;
 class URLRequestContext;
 
 //------------------------------------------------------------------------------
 // Define an interface class that allows access to contextual information
 // supplied by the owner of this filter. In the case where there are a chain of
 // filters, there is only one owner of all the chained filters, and that context
 // is passed to the constructor of all those filters. To be clear, the context
 // does NOT reflect the position in a chain, or the fact that there are prior
 // or later filters in a chain.
 //
@@ skipping 244 matching lines @@
 
   // The filter type this filter was constructed from.
   FilterType type_id_;
 
   DISALLOW_COPY_AND_ASSIGN(Filter);
 };
 
 }  // namespace net
 
 #endif  // NET_FILTER_FILTER_H__