Improve memory estimate of SpdySessionPool in net/ MemoryDumpProvider.

net/spdy/spdy_header_block.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_header_block.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <utility>
@@ skipping 281 matching lines @@
   auto iter = block_.find(key);
   if (iter == block_.end()) {
     DVLOG(1) << "Inserting: (" << key << ", " << value << ")";
     AppendHeader(key, value);
     return;
   }
   DVLOG(1) << "Updating key: " << iter->first << "; appending value: " << value;
   iter->second.Append(GetStorage()->Write(value));
 }
 
+size_t SpdyHeaderBlock::EstimateMemoryUsage() const {

[DmitrySkiba, 2017/02/02 18:16:27]

I think block_ should also be estimated.

[xunjieli, 2017/02/03 22:25:09]

I don't think EMU has support for linked_hash_map?

+  return bytes_allocated();
+}
+
 void SpdyHeaderBlock::AppendHeader(const StringPiece key,
                                    const StringPiece value) {
   auto storage = GetStorage();
   auto backed_key = storage->Write(key);
   block_.emplace(make_pair(
       backed_key, HeaderValue(storage, backed_key, storage->Write(value))));
 }
 
 SpdyHeaderBlock::Storage* SpdyHeaderBlock::GetStorage() {
   if (!storage_) {
@@ skipping 65 matching lines @@
   for (++it; it != fragments.end(); ++it) {
     memcpy(dst, separator.data(), separator.size());
     dst += separator.size();
     memcpy(dst, it->data(), it->size());
     dst += it->size();
   }
   return dst - original_dst;
 }
 
 }  // namespace net