Cleanup webkit_child target and dependencies on it.

chrome/chrome_renderer.gypi

 # 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.
 
 {
   'variables': {
     'chrome_renderer_sources': [
       'renderer/benchmarking_extension.cc',
       'renderer/benchmarking_extension.h',
       'renderer/extensions/app_bindings.cc',
@@ skipping 282 matching lines @@
         '../media/cast/cast.gyp:cast_net',
         '../media/cast/cast.gyp:cast_sender',
         '../net/net.gyp:net',
         '../skia/skia.gyp:skia',
         '../third_party/WebKit/public/blink.gyp:blink',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/npapi/npapi.gyp:npapi',
         '../third_party/widevine/cdm/widevine_cdm.gyp:widevine_cdm_version_h',
         '../ui/surface/surface.gyp:surface',
-        '../webkit/child/webkit_child.gyp:webkit_child',
         '../webkit/webkit_resources.gyp:webkit_resources',
       ],
       'include_dirs': [
         '..',
         # Needed by chrome_content_renderer_client.cc.
         '<(SHARED_INTERMEDIATE_DIR)',
       ],
       'sources': [
         '<@(chrome_renderer_sources)',
       ],
@@ skipping 111 matching lines @@
         }],
         ['enable_printing!=0', {
           'dependencies': [
             '../printing/printing.gyp:printing',
           ],
         }],
       ],
     },
   ],
 }