Improve memory estimate of SpdySessionPool in net/ MemoryDumpProvider.

net/spdy/hpack/hpack_static_table.cc

 // 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.
 
 #include "net/spdy/hpack/hpack_static_table.h"
 
 #include "base/logging.h"
 #include "net/spdy/hpack/hpack_constants.h"
 #include "net/spdy/hpack/hpack_entry.h"
+#include "net/spdy/platform/api/spdy_estimate_memory_usage.h"
 
 namespace net {
 
 HpackStaticTable::HpackStaticTable() {}
 
 HpackStaticTable::~HpackStaticTable() {}
 
 void HpackStaticTable::Initialize(const HpackStaticEntry* static_entry_table,
                                   size_t static_entry_count) {
   CHECK(!IsInitialized());
@@ skipping 12 matching lines @@
     static_name_index_.insert(make_pair(entry->name(), entry));
 
     ++total_insertions;
   }
 }
 
 bool HpackStaticTable::IsInitialized() const {
   return !static_entries_.empty();
 }
 
+size_t HpackStaticTable::EstimateMemoryUsage() const {
+  return SpdyEstimateMemoryUsage(static_entries_) +
+         SpdyEstimateMemoryUsage(static_index_) +
+         SpdyEstimateMemoryUsage(static_name_index_);
+}
+
 }  // namespace net