Make URLRequestContext a MemoryDumpProvider (Abandoned)

net/filter/source_stream.cc

Index: net/filter/source_stream.cc
diff --git a/net/filter/source_stream.cc b/net/filter/source_stream.cc
index e2c4e6e2539fddfe2a54c19ce35fa39be5b9db4f..c4428781cf5923227f6fee7600aa4031e42b24fa 100644
--- a/net/filter/source_stream.cc
+++ b/net/filter/source_stream.cc
@@ -4,6 +4,8 @@
 
 #include "net/filter/source_stream.h"
 
+#include "base/trace_event/memory_allocator_dump.h"
+
 namespace net {
 
 SourceStream::SourceStream(SourceType type) : type_(type) {}
@@ -14,4 +16,9 @@ std::string SourceStream::Description() const {
   return "";
 }
 
+void SourceStream::DumpMemoryStats(
+    base::trace_event::MemoryAllocatorDump* dump) const {
+  // Default implementation does nothing.
+}
+
 }  // namespace net