Improve memory estimate of SpdySessionPool in net/ MemoryDumpProvider.

net/spdy/buffered_spdy_framer.h

 // 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.
 
 #ifndef NET_SPDY_BUFFERED_SPDY_FRAMER_H_
 #define NET_SPDY_BUFFERED_SPDY_FRAMER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 212 matching lines @@
   size_t GetFrameMaximumSize() const {
     return spdy_framer_.GetFrameMaximumSize();
   }
 
   size_t GetDataFrameMaximumPayload() const {
     return spdy_framer_.GetDataFrameMaximumPayload();
   }
 
   int frames_received() const { return frames_received_; }
 
+  // Returns the estimate of dynamically allocated memory in bytes.
+  size_t EstimateMemoryUsage() const;
+
  private:
   SpdyFramer spdy_framer_;
   BufferedSpdyFramerVisitorInterface* visitor_;
 
   int frames_received_;
 
   // Collection of fields from control frames that we need to
   // buffer up from the spdy framer.
   struct ControlFrameFields {
     SpdyFrameType type;
     SpdyStreamId stream_id;
     SpdyStreamId associated_stream_id;
     SpdyStreamId promised_stream_id;
     bool has_priority;
     SpdyPriority priority;
     int weight;
     SpdyStreamId parent_stream_id;
     bool exclusive;
     bool fin;
     bool unidirectional;
   };
   std::unique_ptr<ControlFrameFields> control_frame_fields_;
 
   // Collection of fields of a GOAWAY frame that this class needs to buffer.
   struct GoAwayFields {
     SpdyStreamId last_accepted_stream_id;
     SpdyErrorCode error_code;
     std::string debug_data;
+
+    // Returns the estimate of dynamically allocated memory in bytes.
+    size_t EstimateMemoryUsage() const;
   };
   std::unique_ptr<GoAwayFields> goaway_fields_;
 
   std::unique_ptr<HeaderCoalescer> coalescer_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferedSpdyFramer);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_BUFFERED_SPDY_FRAMER_H_