Track STL containers in QuicStreamFactory::DumpMemoryStats

net/http/disk_cache_based_quic_server_info.h

 // 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.
 
 #ifndef NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_
 #define NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time/time.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/quic/chromium/quic_server_info.h"
 
 namespace net {
 
 class HttpCache;
-class IOBuffer;
+class IOBufferWithSize;
 class QuicServerId;
 
 // DiskCacheBasedQuicServerInfo fetches information about a QUIC server from
 // our standard disk cache. Since the information is defined to be
 // non-sensitive, it's ok for us to keep it on disk.
 class NET_EXPORT_PRIVATE DiskCacheBasedQuicServerInfo
     : public QuicServerInfo,
       public NON_EXPORTED_BASE(base::NonThreadSafe) {
  public:
   DiskCacheBasedQuicServerInfo(const QuicServerId& server_id,
                                HttpCache* http_cache);
   ~DiskCacheBasedQuicServerInfo() override;
 
   // QuicServerInfo implementation.
   void Start() override;
   int WaitForDataReady(const CompletionCallback& callback) override;
   void ResetWaitForDataReadyCallback() override;
   void CancelWaitForDataReadyCallback() override;
   bool IsDataReady() override;
   bool IsReadyToPersist() override;
   void Persist() override;
   void OnExternalCacheHit() override;
+  size_t EstimateMemoryUsage() const override;
 
  private:
   struct CacheOperationDataShim;
 
   enum State {
     GET_BACKEND,
     GET_BACKEND_COMPLETE,
     OPEN,
     OPEN_COMPLETE,
     READ,
@@ skipping 55 matching lines @@
   State state_;
   bool ready_;
   bool found_entry_;  // Controls the behavior of DoCreateOrOpen.
   std::string new_data_;
   std::string pending_write_data_;
   const QuicServerId server_id_;
   HttpCache* const http_cache_;
   disk_cache::Backend* backend_;
   disk_cache::Entry* entry_;
   CompletionCallback wait_for_ready_callback_;
-  scoped_refptr<IOBuffer> read_buffer_;
-  scoped_refptr<IOBuffer> write_buffer_;
+  scoped_refptr<IOBufferWithSize> read_buffer_;
+  scoped_refptr<IOBufferWithSize> write_buffer_;
   std::string data_;
   base::TimeTicks load_start_time_;
   FailureReason last_failure_;
 
   base::WeakPtrFactory<DiskCacheBasedQuicServerInfo> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DiskCacheBasedQuicServerInfo);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_DISK_CACHE_BASED_QUIC_SERVER_INFO_H_