Instrument SourceStream using MemoryDumpProvider

net/url_request/url_request_job.h

Index: net/url_request/url_request_job.h
diff --git a/net/url_request/url_request_job.h b/net/url_request/url_request_job.h
index 2341999ae5493b1e205343963b41d8cbc68549de..1c4265e7ca65a059e6106c73dfd798a76545dbba 100644
--- a/net/url_request/url_request_job.h
+++ b/net/url_request/url_request_job.h
@@ -26,6 +26,12 @@
 #include "net/url_request/url_request.h"
 #include "url/gurl.h"
 
+namespace base {
+namespace trace_event {
+class ProcessMemoryDump;
+}
+}
+
 namespace net {
 
 class AuthChallengeInfo;
@@ -228,6 +234,12 @@ class NET_EXPORT URLRequestJob : public base::PowerObserver {
   // has failed or the response headers have been received.
   virtual void GetConnectionAttempts(ConnectionAttempts* out) const;
 
+  // Dumps memory allocation stats. |parent_dump_absolute_name| is the name
+  // used by the parent MemoryAllocatorDump in the memory dump hierarchy.
+  virtual void DumpMemoryStats(
+      base::trace_event::ProcessMemoryDump* pmd,
+      const std::string& parent_dump_absolute_name) const;
+
   // Given |policy|, |referrer|, and |redirect_destination|, returns the
   // referrer URL mandated by |request|'s referrer policy.
   static GURL ComputeReferrerForRedirect(URLRequest::ReferrerPolicy policy,