Remove all blimp network code.

blimp/net/blimp_message_checkpointer.cc

Index: blimp/net/blimp_message_checkpointer.cc
diff --git a/blimp/net/blimp_message_checkpointer.cc b/blimp/net/blimp_message_checkpointer.cc
deleted file mode 100644
index e1354da0cddd138c8be492492d4fc9dfda632777..0000000000000000000000000000000000000000
--- a/blimp/net/blimp_message_checkpointer.cc
+++ /dev/null
@@ -1,83 +0,0 @@
-// 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.
-
-#include "blimp/net/blimp_message_checkpointer.h"
-
-#include "base/logging.h"
-#include "blimp/common/create_blimp_message.h"
-#include "blimp/common/proto/blimp_message.pb.h"
-#include "blimp/common/proto/protocol_control.pb.h"
-#include "blimp/net/blimp_message_checkpoint_observer.h"
-#include "net/base/net_errors.h"
-
-namespace blimp {
-
-namespace {
-const int kDeferCheckpointAckSeconds = 1;
-}
-
-BlimpMessageCheckpointer::BlimpMessageCheckpointer(
-    BlimpMessageProcessor* incoming_processor,
-    BlimpMessageProcessor* outgoing_processor,
-    BlimpMessageCheckpointObserver* checkpoint_observer)
-    : incoming_processor_(incoming_processor),
-      outgoing_processor_(outgoing_processor),
-      checkpoint_observer_(checkpoint_observer),
-      weak_factory_(this) {
-  DCHECK(incoming_processor_);
-  DCHECK(outgoing_processor_);
-  DCHECK(checkpoint_observer_);
-}
-
-BlimpMessageCheckpointer::~BlimpMessageCheckpointer() {}
-
-void BlimpMessageCheckpointer::ProcessMessage(
-    std::unique_ptr<BlimpMessage> message,
-    const net::CompletionCallback& callback) {
-  if (message->has_protocol_control()) {
-    if (message->protocol_control().has_checkpoint_ack() &&
-        message->protocol_control().checkpoint_ack().has_checkpoint_id()) {
-      checkpoint_observer_->OnMessageCheckpoint(
-          message->protocol_control().checkpoint_ack().checkpoint_id());
-      callback.Run(net::OK);
-    } else {
-      DLOG(WARNING) << "Invalid checkpoint ACK. Dropping connection.";
-      callback.Run(net::ERR_FAILED);
-    }
-
-    return;
-  }
-
-  // TODO(wez): Provide independent checkpoints for each message->type()?
-  DCHECK(message->has_message_id());
-
-  // Store the message-Id to include in the checkpoint ACK.
-  checkpoint_id_ = message->message_id();
-
-  // Kick the timer, if not running, to ACK after a short delay.
-  if (!defer_timer_.IsRunning()) {
-    defer_timer_.Start(FROM_HERE,
-                       base::TimeDelta::FromSeconds(kDeferCheckpointAckSeconds),
-                       this, &BlimpMessageCheckpointer::SendCheckpointAck);
-  }
-
-  // Pass the message along for actual processing.
-  incoming_processor_->ProcessMessage(
-      std::move(message),
-      base::Bind(&BlimpMessageCheckpointer::InvokeCompletionCallback,
-                 weak_factory_.GetWeakPtr(), callback));
-}
-
-void BlimpMessageCheckpointer::InvokeCompletionCallback(
-    const net::CompletionCallback& callback,
-    int result) {
-  callback.Run(result);
-}
-
-void BlimpMessageCheckpointer::SendCheckpointAck() {
-  outgoing_processor_->ProcessMessage(
-      CreateCheckpointAckMessage(checkpoint_id_), net::CompletionCallback());
-}
-
-}  // namespace blimp