Added a debug info UI for Blimp

blimp/net/packet_writer.h

 // Copyright 2015 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 BLIMP_NET_PACKET_WRITER_H_
 #define BLIMP_NET_PACKET_WRITER_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "blimp/net/blimp_net_export.h"
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 
 namespace blimp {
 
+class BlimpConnectionDetails;
+
 // Interface to describe a writer which can write variable-length data packets
 // to a connection.
 class BLIMP_NET_EXPORT PacketWriter {
  public:
   virtual ~PacketWriter() {}
 
   // Invokes |cb| with net::OK if the write operation executed successfully.
   // All other values indicate unrecoverable errors.
   // |callback| must not be invoked if |this| is deleted.
   virtual void WritePacket(const scoped_refptr<net::DrainableIOBuffer>& data,
                            const net::CompletionCallback& callback) = 0;
+
+  void SetBlimpConnectionDetails(BlimpConnectionDetails* details) {
+    connection_details_ = details;
+  }
+
+ protected:
+  BlimpConnectionDetails* connection_details_ = nullptr;
 };
 
 }  // namespace blimp
 
 #endif  // BLIMP_NET_PACKET_WRITER_H_