Add net log to UploadDataStream.

net/base/chunked_upload_data_stream.h

 // Copyright 2014 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_BASE_CHUNKED_UPLOAD_DATA_STREAM_H_
 #define NET_BASE_CHUNKED_UPLOAD_DATA_STREAM_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 61 matching lines @@
   // Adds data to the stream. |is_done| should be true if this is the last
   // data to be appended. |data_len| must not be 0 unless |is_done| is true.
   // Once called with |is_done| being true, must never be called again.
   // TODO(mmenke):  Consider using IOBuffers instead, to reduce data copies.
   // TODO(mmenke):  Consider making private, and having all consumers use
   //     Writers.
   void AppendData(const char* data, int data_len, bool is_done);
 
  private:
   // UploadDataStream implementation.
-  int InitInternal() override;
+  int InitInternal(const BoundNetLog& net_log) override;
   int ReadInternal(IOBuffer* buf, int buf_len) override;
   void ResetInternal() override;
 
   int ReadChunk(IOBuffer* buf, int buf_len);
 
   // Index and offset of next element of |upload_data_| to be read.
   size_t read_index_;
   size_t read_offset_;
 
   // True once all data has been appended to the stream.
   bool all_data_appended_;
 
   std::vector<std::unique_ptr<std::vector<char>>> upload_data_;
 
   // Buffer to write the next read's data to. Only set when a call to
   // ReadInternal reads no data.
   scoped_refptr<IOBuffer> read_buffer_;
   int read_buffer_len_;
 
   base::WeakPtrFactory<ChunkedUploadDataStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChunkedUploadDataStream);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_CHUNKED_UPLOAD_DATA_STREAM_H_