Make URLRequestContext a MemoryDumpProvider (Abandoned)

net/filter/gzip_source_stream.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_FILTER_GZIP_SOURCE_STREAM_H_
 #define NET_FILTER_GZIP_SOURCE_STREAM_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 44 matching lines @@
   GzipSourceStream(std::unique_ptr<SourceStream> previous,
                    SourceStream::SourceType type);
 
   // Returns true if initialization is successful, false otherwise.
   // For instance, this method returns false if there is not enough memory or
   // if there is a version mismatch.
   bool Init();
 
   // SourceStream implementation
   std::string GetTypeAsString() const override;
+  void DumpMemoryStatsImpl(
+      base::trace_event::MemoryAllocatorDump* dump) const override;
   int FilterData(IOBuffer* output_buffer,
                  int output_buffer_size,
                  IOBuffer* input_buffer,
                  int input_buffer_size,
                  int* consumed_bytes,
                  bool upstream_end_reached) override;
 
   // Inserts a zlib header to the data stream before calling zlib inflate.
   // This is used to work around server bugs. The function returns true on
   // success.
@@ skipping 22 matching lines @@
 
   // Tracks the state of the input stream.
   InputState input_state_;
 
   DISALLOW_COPY_AND_ASSIGN(GzipSourceStream);
 };
 
 }  // namespace net
 
 #endif  // NET_FILTER_GZIP_SOURCE_STREAM_H__