Instrument SourceStream using MemoryDumpProvider

net/filter/filter_source_stream.cc

Index: net/filter/filter_source_stream.cc
diff --git a/net/filter/filter_source_stream.cc b/net/filter/filter_source_stream.cc
index 603bd703c8e7311744fc74e0ae868a383d0cb518..7fab2c35ab1115ae815dae4f56e97790f69c72fa 100644
--- a/net/filter/filter_source_stream.cc
+++ b/net/filter/filter_source_stream.cc
@@ -67,6 +67,13 @@ std::string FilterSourceStream::Description() const {
   return next_type_string + "," + GetTypeAsString();
 }
 
+void FilterSourceStream::DumpMemoryStats(
+    base::trace_event::ProcessMemoryDump* pmd,
+    const std::string& parent_dump_absolute_name) const {
+  DumpMemoryStatsImpl(pmd, parent_dump_absolute_name);
+  upstream_->DumpMemoryStats(pmd, parent_dump_absolute_name);
+}
+
 int FilterSourceStream::DoLoop(int result) {
   DCHECK_NE(STATE_NONE, next_state_);
 
@@ -173,4 +180,8 @@ bool FilterSourceStream::NeedMoreData() const {
   return !upstream_end_reached_;
 }
 
+void FilterSourceStream::DumpMemoryStatsImpl(
+    base::trace_event::ProcessMemoryDump* pmd,
+    const std::string& parent_dump_absolute_name) const {}
+
 }  // namespace net