Add the "virtual" keyword on method overrides that are missing it.

net/net.gyp

 # Copyright (c) 2010 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 687 matching lines @@
         'websockets/websocket_frame_handler.cc',
         'websockets/websocket_frame_handler.h',
         'websockets/websocket_handshake.cc',
         'websockets/websocket_handshake.h',
         'websockets/websocket_handshake_draft75.cc',
         'websockets/websocket_handshake_draft75.h',
         'websockets/websocket_handshake_handler.cc',
         'websockets/websocket_handshake_handler.h',
         'websockets/websocket_job.cc',
         'websockets/websocket_job.h',
+        'websockets/websocket_net_log_params.cc',
         'websockets/websocket_net_log_params.h',
         'websockets/websocket_throttle.cc',
         'websockets/websocket_throttle.h',
       ],
       'export_dependent_settings': [
         '../base/base.gyp:base',
       ],
       'conditions': [
         ['javascript_engine=="v8"', {
           'dependencies': [
@@ skipping 728 matching lines @@
       ],
     }],
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: