Support -Goutput_dir=blahblah in GN-GYP hybrid mode

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.
 
 {
   'targets': [
     {
       'target_name': 'renderer',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
       'dependencies': [
         'common',
         'common_net',
         'chrome_resources.gyp:chrome_resources',
         'chrome_resources.gyp:chrome_strings',
+        '../<(gyp_output_dir)/gn_gyp/third_party/re2/re2.gyp:re2',
         '../components/components.gyp:autofill_content_renderer',
         '../components/components.gyp:startup_metric_utils',
         '../components/components.gyp:plugins_renderer',
         '../components/components.gyp:translate_core_common',
         '../components/components.gyp:translate_language_detection',
         '../components/components.gyp:visitedlink_renderer',
         '../content/content.gyp:content_renderer',
         '../media/cast/cast.gyp:cast_config',
         '../media/cast/cast_sender.gyp:cast_sender',
         '../net/net.gyp:net',
         '../skia/skia.gyp:skia',
         '../third_party/WebKit/public/blink.gyp:blink',
         '../third_party/hunspell/hunspell.gyp:hunspell',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/npapi/npapi.gyp:npapi',
-        '../out/gn_gyp/third_party/re2/re2.gyp:re2',
         '../third_party/widevine/cdm/widevine_cdm.gyp:widevine_cdm_version_h',
         '../ui/surface/surface.gyp:surface',
         '../webkit/child/webkit_child.gyp:webkit_child',
         '../webkit/common/webkit_common.gyp:webkit_common',
         '../webkit/glue/webkit_glue.gyp:glue',
         '../webkit/webkit_resources.gyp:webkit_resources',
       ],
       'include_dirs': [
         '..',
         # Needed by chrome_content_renderer_client.cc.
@@ skipping 420 matching lines @@
         }],
         ['enable_printing!=0', {
           'dependencies': [
             '../printing/printing.gyp:printing',
           ],
         }],
       ],
     },
   ],
 }