Incorporate BlobChannel into Blimp image encode/decode pipeline.

blimp/net/blob_channel/helium_blob_sender_delegate.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 BLIMP_NET_BLOB_CHANNEL_HELIUM_BLOB_SENDER_DELEGATE_H_
 #define BLIMP_NET_BLOB_CHANNEL_HELIUM_BLOB_SENDER_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
 #include "blimp/net/blimp_message_processor.h"
 #include "blimp/net/blimp_net_export.h"
 #include "blimp/net/blob_channel/blob_channel_receiver.h"
 #include "blimp/net/blob_channel/blob_channel_sender.h"
+#include "blimp/net/blob_channel/blob_channel_sender_impl.h"
 
 namespace blimp {
 
 // Sends blob messages as Helium messages to a BlimpMessageProcessor.
 class BLIMP_NET_EXPORT HeliumBlobSenderDelegate
-    : public BlobChannelSender::Delegate,
+    : public BlobChannelSenderImpl::Delegate,
       public BlimpMessageProcessor {
  public:
   HeliumBlobSenderDelegate();
   ~HeliumBlobSenderDelegate() override;
 
   // Sets the message processor to which blob messages will be sent.
   void set_outgoing_message_processor(
       std::unique_ptr<BlimpMessageProcessor> processor) {
     outgoing_processor_ = std::move(processor);
   }
 
-  // BlobSender::Delegate implementation.
+  // BlobChannelSenderImpl::Delegate implementation.
   void DeliverBlob(const BlobId& id, BlobDataPtr data) override;
 
  private:
   // BlimpMessageProcessor implementation.
   void ProcessMessage(std::unique_ptr<BlimpMessage> message,
                       const net::CompletionCallback& callback) override;
 
   std::unique_ptr<BlimpMessageProcessor> outgoing_processor_;
 
   DISALLOW_COPY_AND_ASSIGN(HeliumBlobSenderDelegate);
 };
 
 }  // namespace blimp
 
 #endif  // BLIMP_NET_BLOB_CHANNEL_HELIUM_BLOB_SENDER_DELEGATE_H_