Remove an unused file defining WebSocket multiplexing related constants

net/websockets/websocket_channel_test.cc

 // Copyright 2013 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 "net/websockets/websocket_channel.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <string.h>
 
@@ skipping 19 matching lines @@
 #include "net/base/net_errors.h"
 #include "net/base/test_completion_callback.h"
 #include "net/http/http_response_headers.h"
 #include "net/log/net_log_with_source.h"
 #include "net/url_request/url_request_context.h"
 #include "net/websockets/websocket_errors.h"
 #include "net/websockets/websocket_event_interface.h"
 #include "net/websockets/websocket_handshake_request_info.h"
 #include "net/websockets/websocket_handshake_response_info.h"
 #include "net/websockets/websocket_handshake_stream_create_helper.h"
-#include "net/websockets/websocket_mux.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 
 // Hacky macros to construct the body of a Close message from a code and a
 // string, while ensuring the result is a compile-time constant string.
 // Use like CLOSE_DATA(NORMAL_CLOSURE, "Explanation String")
 #define CLOSE_DATA(code, string) WEBSOCKET_CLOSE_CODE_AS_STRING_##code string
 #define WEBSOCKET_CLOSE_CODE_AS_STRING_NORMAL_CLOSURE "\x03\xe8"
@@ skipping 3476 matching lines @@
   channel_->SendFrame(
       true, WebSocketFrameHeader::kOpCodeText,
       AsIOBuffer(std::string(static_cast<size_t>(kMessageSize), 'a')),
       static_cast<size_t>(kMessageSize));
   int new_send_quota = channel_->current_send_quota();
   EXPECT_EQ(kMessageSize, initial_send_quota - new_send_quota);
 }
 
 }  // namespace
 }  // namespace net