Improve memory estimate of SpdySessionPool in net/ MemoryDumpProvider.

net/spdy/hpack/hpack_entry.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_entry.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/trace_event/memory_usage_estimator.h"
 
 namespace net {
 
 using base::StringPiece;
 
 const size_t HpackEntry::kSizeOverhead = 32;
 
 HpackEntry::HpackEntry(StringPiece name,
                        StringPiece value,
                        bool is_static,
@@ skipping 50 matching lines @@
 }
 
 std::string HpackEntry::GetDebugString() const {
   return "{ name: \"" + name_ref_.as_string() + "\", value: \"" +
          value_ref_.as_string() + "\", index: " +
          base::SizeTToString(insertion_index_) +
          (IsStatic() ? " static" : (IsLookup() ? " lookup" : " dynamic")) +
          " }";
 }
 
+size_t HpackEntry::EstimateMemoryUsage() const {
+  return base::trace_event::EstimateMemoryUsage(name_) +
+         base::trace_event::EstimateMemoryUsage(value_);
+}
+
 }  // namespace net