Make URLRequestContext a MemoryDumpProvider (Abandoned)

net/filter/sdch_source_stream.h

Index: net/filter/sdch_source_stream.h
diff --git a/net/filter/sdch_source_stream.h b/net/filter/sdch_source_stream.h
index 6e9d3194d9e3b48a955294647b3a88485860bec4..08e2d18426c8277844d1cd4e16615223b68bde60 100644
--- a/net/filter/sdch_source_stream.h
+++ b/net/filter/sdch_source_stream.h
@@ -6,6 +6,7 @@
 #define NET_FILTER_SDCH_SOURCE_STREAM_H_
 
 #include <memory>
+#include <string>
 
 #include "base/macros.h"
 #include "net/base/net_export.h"
@@ -50,7 +51,7 @@ class NET_EXPORT_PRIVATE SdchSourceStream : public FilterSourceStream {
       // Pass an alternative output to downstream.
       REPLACE_OUTPUT,
     };
-    virtual ~Delegate(){};
+    virtual ~Delegate() {}
 
     // Called by the SdchSourceStream if an error occurs while parsing the
     // server-sent dictionary ID, or if the specified dictionary can't be loaded
@@ -105,6 +106,9 @@ class NET_EXPORT_PRIVATE SdchSourceStream : public FilterSourceStream {
                    SourceStream::SourceType type);
   ~SdchSourceStream() override;
 
+  void DumpMemoryStatsImpl(
+      base::trace_event::MemoryAllocatorDump* dump) const override;
+
  private:
   // SourceStream implementation:
   std::string GetTypeAsString() const override;