Remove all blimp network code.

blimp/net/blob_channel/blob_channel_receiver.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_BLOB_CHANNEL_RECEIVER_H_
-#define BLIMP_NET_BLOB_CHANNEL_BLOB_CHANNEL_RECEIVER_H_
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/synchronization/lock.h"
-#include "blimp/common/blob_cache/blob_cache.h"
-#include "blimp/net/blimp_message_processor.h"
-#include "blimp/net/blimp_net_export.h"
-
-namespace blimp {
-
-class BlobCache;
-
-class BLIMP_NET_EXPORT BlobChannelReceiver {
- public:
-  class Delegate {
-   public:
-    virtual ~Delegate() {}
-
-    // Sets the Receiver object which will take incoming blobs.
-    virtual void SetReceiver(BlobChannelReceiver* receiver) = 0;
-  };
-
-  virtual ~BlobChannelReceiver() {}
-
-  // Constructs a BlobChannelReceiverImpl object for use.
-  static std::unique_ptr<BlobChannelReceiver> Create(
-      std::unique_ptr<BlobCache> cache,
-      std::unique_ptr<Delegate> delegate);
-
-  // Gets a blob from the BlobChannel.
-  // Returns nullptr if the blob is not available in the channel.
-  // Can be accessed concurrently from any thread. Calling code must ensure that
-  // the object instance outlives all calls to Get().
-  virtual BlobDataPtr Get(const BlobId& id) = 0;
-
-  // Called by Delegate::OnBlobReceived() when a blob arrives over the channel.
-  virtual void OnBlobReceived(const BlobId& id, BlobDataPtr data) = 0;
-};
-
-}  // namespace blimp
-
-#endif  // BLIMP_NET_BLOB_CHANNEL_BLOB_CHANNEL_RECEIVER_H_