[DevTools] Split DevToolsHttpHandler into two classes

content/browser/devtools/tethering_handler.cc

 // Copyright (c) 2012 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 "content/browser/devtools/tethering_handler.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/stl_util.h"
 #include "base/values.h"
-#include "content/browser/devtools/devtools_http_handler_impl.h"
 #include "content/browser/devtools/devtools_protocol_constants.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/devtools_http_handler_delegate.h"
 #include "net/base/io_buffer.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_log.h"
 #include "net/socket/stream_listen_socket.h"
 #include "net/socket/stream_socket.h"
 #include "net/socket/tcp_server_socket.h"
@@ skipping 410 matching lines @@
   SendAsyncResponse(command->SuccessResponse(nullptr));
 }
 
 void TetheringHandler::SendInternalError(
     scoped_refptr<DevToolsProtocol::Command> command,
     const std::string& message) {
   SendAsyncResponse(command->InternalErrorResponse(message));
 }
 
 }  // namespace content