Histogram size of "final" block of SDCH compressed data....

net/base/sdch_filter.h

 // Copyright (c) 2006-2008 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.
 
 // SdchFilter applies open_vcdiff content decoding to a datastream.
 // This decoding uses a pre-cached dictionary of text fragments to decode
 // (expand) the stream back to its original contents.
 //
 // This SdchFilter internally uses open_vcdiff/vcdec library to do decoding.
 //
@@ skipping 81 matching lines @@
   std::string dest_buffer_excess_;
   // To avoid moving strings around too much, we save the index into
   // dest_buffer_excess_ that has the next byte to output.
   size_t dest_buffer_excess_index_;
 
   // To get stats on activities, we keep track of source and target bytes.
   // Visit about:histograms/Sdch to see histogram data.
   size_t source_bytes_;
   size_t output_bytes_;
 
+  // When was the most recent non-zero size data chunk processed?
   base::Time time_of_last_read_;
+  // How large was the most recent non-zero size data chunk?
+  int size_of_last_read_;
+
 
   DISALLOW_COPY_AND_ASSIGN(SdchFilter);
 };
 
 #endif  // NET_BASE_SDCH_FILTER_H_