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 217 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:
   void InitHeaderStreaming(SpdyStreamId stream_id);
 
   SpdyFramer spdy_framer_;
   BufferedSpdyFramerVisitorInterface* visitor_;
 
   // Header block streaming state:
   std::string header_buffer_;
   bool header_buffer_valid_;
   SpdyStreamId header_stream_id_;
@@ skipping 25 matching lines @@
   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_