Make URLRequestContext a MemoryDumpProvider (Abandoned)

net/filter/mock_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_MOCK_SOURCE_STREAM_H_
 #define NET_FILTER_MOCK_SOURCE_STREAM_H_
 
 #include <queue>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_errors.h"
 #include "net/filter/source_stream.h"
 
+namespace base {
+namespace trace_event {
+class MemoryAllocatorDump;
+}
+}
+
 namespace net {
 
 class IOBuffer;
 
 // A SourceStream implementation used in tests. This allows tests to specify
 // what data to return for each Read() call.
 class MockSourceStream : public SourceStream {
  public:
   enum Mode {
     SYNC,
     ASYNC,
   };
   MockSourceStream();
   // The destructor will crash in debug build if there is any pending read.
   ~MockSourceStream() override;
 
   // SourceStream implementation
   int Read(IOBuffer* dest_buffer,
            int buffer_size,
            const CompletionCallback& callback) override;
   std::string Description() const override;
 
+  void DumpMemoryStats(
+      base::trace_event::MemoryAllocatorDump* dump) const override;
   // Enqueues a result to be returned by |Read|. This method does not make a
   // copy of |data|, so |data| must outlive this object. If |mode| is SYNC,
   // |Read| will return the supplied data synchronously; otherwise, consumer
   // needs to call |CompleteNextRead|
   void AddReadResult(const char* data, int len, Error error, Mode mode);
 
   // Completes a pending Read() call. Crash in debug build if there is no
   // pending read.
   void CompleteNextRead();
 
@@ skipping 12 matching lines @@
   scoped_refptr<IOBuffer> dest_buffer_;
   CompletionCallback callback_;
   int dest_buffer_size_;
 
   DISALLOW_COPY_AND_ASSIGN(MockSourceStream);
 };
 
 }  // namespace net
 
 #endif  // NET_FILTER_MOCK_SOURCE_STREAM_H_