Remove devtools_bridge component

components/devtools_bridge/socket_tunnel_packet_handler.cc

-// Copyright 2014 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 "components/devtools_bridge/socket_tunnel_packet_handler.h"
-
-#include <stdlib.h>
-
-#include "components/devtools_bridge/socket_tunnel_connection.h"
-#include "net/base/io_buffer.h"
-#include "net/base/net_errors.h"
-
-namespace devtools_bridge {
-
-static const int kControlConnectionId =
-    SocketTunnelConnection::kControlConnectionId;
-static const int kMinConnectionId = SocketTunnelConnection::kMinConnectionId;
-static const int kMaxConnectionId = SocketTunnelConnection::kMaxConnectionId;
-static const int kControlPacketSizeBytes =
-    SocketTunnelConnection::kControlPacketSizeBytes;
-
-void SocketTunnelPacketHandler::DecodePacket(const void* data, size_t length) {
-  const unsigned char* bytes = static_cast<const unsigned char*>(data);
-  if (length == 0) {
-    DLOG(ERROR) << "Empty packet";
-    HandleProtocolError();
-    return;
-  }
-  int connection_id = bytes[0];
-  if (connection_id != kControlConnectionId) {
-    if (connection_id < kMinConnectionId ||
-        connection_id > kMaxConnectionId) {
-      DLOG(ERROR) << "Invalid connection ID: " << connection_id;
-      HandleProtocolError();
-      return;
-    }
-
-    int connection_index = connection_id - kMinConnectionId;
-    scoped_refptr<net::IOBufferWithSize> packet(
-        new net::IOBufferWithSize(length - 1));
-    memcpy(packet->data(), bytes + 1, length - 1);
-    HandleDataPacket(connection_index, packet);
-  } else if (length >= kControlPacketSizeBytes) {
-    static_assert(kControlPacketSizeBytes == 3,
-                  "kControlPacketSizeBytes should equal 3");
-
-    int op_code = bytes[1];
-    connection_id = bytes[2];
-    if (connection_id < kMinConnectionId ||
-        connection_id > kMaxConnectionId) {
-      DLOG(ERROR) << "Invalid connection ID: " << connection_id;
-      HandleProtocolError();
-      return;
-    }
-    int connection_index = connection_id - kMinConnectionId;
-    HandleControlPacket(connection_index, op_code);
-  } else {
-    DLOG(ERROR) << "Invalid packet";
-    HandleProtocolError();
-    return;
-  }
-}
-
-}  // namespace devtools_bridge