Remove all blimp network code.

blimp/net/blob_channel/helium_blob_receiver_delegate.cc

-// 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.
-
-#include "blimp/net/blob_channel/helium_blob_receiver_delegate.h"
-
-#include "blimp/common/blob_cache/blob_cache.h"
-#include "blimp/common/proto/blimp_message.pb.h"
-#include "blimp/common/proto/blob_channel.pb.h"
-#include "net/base/net_errors.h"
-
-namespace blimp {
-
-HeliumBlobReceiverDelegate::HeliumBlobReceiverDelegate() {}
-
-HeliumBlobReceiverDelegate::~HeliumBlobReceiverDelegate() {}
-
-void HeliumBlobReceiverDelegate::SetReceiver(BlobChannelReceiver* receiver) {
-  DCHECK(receiver);
-  receiver_ = receiver;
-}
-
-void HeliumBlobReceiverDelegate::ProcessMessage(
-    std::unique_ptr<BlimpMessage> message,
-    const net::CompletionCallback& callback) {
-  if (!message->has_blob_channel()) {
-    DLOG(WARNING) << "BlobChannel message has no |blob_channel| submessage.";
-    callback.Run(net::ERR_INVALID_ARGUMENT);
-    return;
-  }
-
-  // Take a mutable pointer to the blob_channel message so that we can re-use
-  // its allocated buffers.
-  BlobChannelMessage* blob_msg = message->mutable_blob_channel();
-  if (blob_msg->type_case() != BlobChannelMessage::TypeCase::kTransferBlob) {
-    callback.Run(net::ERR_NOT_IMPLEMENTED);
-    return;
-  }
-
-  if (blob_msg->transfer_blob().blob_id().empty()) {
-    callback.Run(net::ERR_INVALID_ARGUMENT);
-    return;
-  }
-
-  // Create a temporarily non-const BlobData so that we may efficiently reuse
-  // the allocated payload string via string::swap().
-  scoped_refptr<BlobData> blob_data(new BlobData);
-  blob_data->data.swap(*blob_msg->mutable_transfer_blob()->mutable_payload());
-  receiver_->OnBlobReceived(blob_msg->transfer_blob().blob_id(), blob_data);
-
-  callback.Run(net::OK);
-}
-
-}  // namespace blimp