Instrument SourceStream using MemoryDumpProvider

net/url_request/url_request.h

Index: net/url_request/url_request.h
diff --git a/net/url_request/url_request.h b/net/url_request/url_request.h
index e1406f33633922e9ebc4625d62b3518b409d361c..83407748e1a2c21d4538adfdfad3cdfdb3e54fd1 100644
--- a/net/url_request/url_request.h
+++ b/net/url_request/url_request.h
@@ -40,6 +40,9 @@
 
 namespace base {
 class Value;
+namespace trace_event {
+class ProcessMemoryDump;
+}  // namespace trace_event
 }  // namespace base
 
 namespace net {
@@ -651,6 +654,12 @@ class NET_EXPORT URLRequest : NON_EXPORTED_BASE(public base::NonThreadSafe),
   // 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; }