Make URLRequestContext a MemoryDumpProvider (Abandoned)

net/filter/mock_source_stream.cc

Index: net/filter/mock_source_stream.cc
diff --git a/net/filter/mock_source_stream.cc b/net/filter/mock_source_stream.cc
index bdf56c6a4e1f18b9a0b48cb2ca913eb1b7ea7611..96604483f09842204aa810c1b130134c5fb3d729 100644
--- a/net/filter/mock_source_stream.cc
+++ b/net/filter/mock_source_stream.cc
@@ -5,6 +5,7 @@
 #include "net/filter/mock_source_stream.h"
 
 #include "base/logging.h"
+#include "base/trace_event/memory_allocator_dump.h"
 #include "net/base/io_buffer.h"
 
 namespace net {
@@ -48,6 +49,9 @@ std::string MockSourceStream::Description() const {
   return "";
 }
 
+void MockSourceStream::DumpMemoryStats(
+    base::trace_event::MemoryAllocatorDump* dump) const {}
+
 MockSourceStream::QueuedResult::QueuedResult(const char* data,
                                              int len,
                                              Error error,