Added code so renderer would cleanly exit.

content/content_browser.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.
 
 {
   'dependencies': [
     'browser/debugger/devtools_resources.gyp:devtools_resources',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../net/net.gyp:http_server',
@@ skipping 684 matching lines @@
     'browser/worker_host/worker_document_set.h',
     'browser/worker_host/worker_message_filter.cc',
     'browser/worker_host/worker_message_filter.h',
     'browser/worker_host/worker_process_host.cc',
     'browser/worker_host/worker_process_host.h',
     'browser/worker_host/worker_service_impl.cc',
     'browser/worker_host/worker_service_impl.h',
     'browser/zygote_host_impl_linux.cc',
     'browser/zygote_host_impl_linux.h',
     'browser/zygote_main_linux.cc',
+    'common/chrome_switches.cc',
+    'common/chrome_switches.h',
     # TODO:  These should be moved to test_support (see below), but
     # are currently used by production code in automation_provider.cc.
     'test/net/url_request_failed_job.cc',
     'test/net/url_request_failed_job.h',
     'test/net/url_request_mock_http_job.cc',
     'test/net/url_request_mock_http_job.h',
     'test/net/url_request_slow_download_job.cc',
     'test/net/url_request_slow_download_job.h',
     'test/net/url_request_slow_http_job.cc',
     'test/net/url_request_slow_http_job.h',
@@ skipping 178 matching lines @@
       ],
     }],
     ['input_speech==0', {
       'sources/': [
         ['exclude', '^browser/speech/'],
       ],
     }],
   ],
 }