Instrument SourceStream using MemoryDumpProvider

net/url_request/url_request.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_URL_REQUEST_URL_REQUEST_H_
 #define NET_URL_REQUEST_URL_REQUEST_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 22 matching lines @@
 #include "net/http/http_response_info.h"
 #include "net/log/net_log_with_source.h"
 #include "net/proxy/proxy_server.h"
 #include "net/socket/connection_attempts.h"
 #include "net/url_request/url_request_status.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 
 namespace base {
 class Value;
+namespace trace_event {
+class ProcessMemoryDump;
+}  // namespace trace_event
 }  // namespace base
 
 namespace net {
 
 class CookieOptions;
 class HostPortPair;
 class IOBuffer;
 struct LoadTimingInfo;
 struct RedirectInfo;
 class SSLCertRequestInfo;
@@ skipping 591 matching lines @@
   // or after the response headers are received.
   void GetConnectionAttempts(ConnectionAttempts* out) const;
 
   // Gets the over the wire raw header size of the response after https
   // encryption, 0 for cached responses.
   int raw_header_size() const { return raw_header_size_; }
 
   // Returns the error status of the request.
   // Do not use! Going to be protected!
   const URLRequestStatus& status() const { return status_; }
+
+  // Dumps memory allocation stats. |parent_dump_absolute_name| is the name
+  // used by the parent MemoryAllocatorDump in the memory dump hierarchy.
+  void DumpMemoryStats(base::trace_event::ProcessMemoryDump* pmd,
+                       const std::string& parent_dump_absolute_name) const;
+
  protected:
   // Allow the URLRequestJob class to control the is_pending() flag.
   void set_is_pending(bool value) { is_pending_ = value; }
 
   // Allow the URLRequestJob class to set our status too.
   void set_status(URLRequestStatus status);
 
   // Allow the URLRequestJob to redirect this request.  Returns OK if
   // successful, otherwise an error code is returned.
   int Redirect(const RedirectInfo& redirect_info);
@@ skipping 188 matching lines @@
 
   // The raw header size of the response.
   int raw_header_size_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequest);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_H_