Update from https://crrev.com/316786

net/spdy/spdy_framer.cc

 // Copyright (c) 2012 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.
 
 #include "net/spdy/spdy_framer.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/metrics/stats_counters.h"
 #include "base/third_party/valgrind/memcheck.h"
 #include "net/spdy/spdy_frame_builder.h"
 #include "net/spdy/spdy_frame_reader.h"
 #include "net/spdy/spdy_bitmasks.h"
 #include "third_party/zlib/zlib.h"
 
 using base::StringPiece;
 using std::string;
 using std::vector;
 
@@ skipping 3219 matching lines @@
   SpdyFrameBuilder uncompressed_builder(uncompressed_len, protocol_version());
   SerializeNameValueBlockWithoutCompression(&uncompressed_builder,
                                             frame.name_value_block());
   scoped_ptr<SpdyFrame> uncompressed_payload(uncompressed_builder.take());
 
   z_stream* compressor = GetHeaderCompressor();
   if (!compressor) {
     LOG(DFATAL) << "Could not obtain compressor.";
     return;
   }
-
-  base::StatsCounter compressed_frames("spdy.CompressedFrames");
-  base::StatsCounter pre_compress_bytes("spdy.PreCompressSize");
-  base::StatsCounter post_compress_bytes("spdy.PostCompressSize");
-
   // Create an output frame.
   // Since we'll be performing lots of flushes when compressing the data,
   // zlib's lower bounds may be insufficient.
   //
   // TODO(akalin): Avoid the duplicate calculation with
   // GetSerializedLength(const SpdyHeaderBlock&).
   const int compressed_max_size =
       2 * deflateBound(compressor, uncompressed_len);
 
   // TODO(phajdan.jr): Clean up after we no longer need
@@ skipping 16 matching lines @@
     // TODO(akalin): Upstream this return.
     return;
   }
 #else
   WriteHeaderBlockToZ(&frame.name_value_block(), compressor);
 #endif  // defined(USE_SYSTEM_ZLIB)
 
   int compressed_size = compressed_max_size - compressor->avail_out;
   builder->Seek(compressed_size);
   builder->RewriteLength(*this);
-
-  pre_compress_bytes.Add(uncompressed_len);
-  post_compress_bytes.Add(compressed_size);
-
-  compressed_frames.Increment();
 }
 
 }  // namespace net