Fix snapshotting on linux by creating a separate automation path for

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
@@ skipping 2494 matching lines @@
         'browser/ui/webui/net_internals_ui_browsertest.cc',
         'browser/ui/webui/web_ui_browsertest.cc',
         'browser/ui/webui/web_ui_browsertest.h',
         'browser/ui/webui/web_ui_test_handler.cc',
         'browser/ui/webui/web_ui_test_handler.h',
         'common/time_format_browsertest.cc',
         'renderer/autofill/autofill_browsertest.cc',
         'renderer/autofill/form_autocomplete_browsertest.cc',
         'renderer/autofill/form_autofill_browsertest.cc',
         'renderer/autofill/password_autofill_manager_browsertest.cc',
+        'renderer/automation/automation_renderer_helper_browsertest.cc',
         'renderer/content_settings_observer_browsertest.cc',
         'renderer/page_click_tracker_browsertest.cc',
         'renderer/print_web_view_helper_browsertest.cc',
         'renderer/safe_browsing/malware_dom_details_browsertest.cc',
         'renderer/safe_browsing/phishing_classifier_browsertest.cc',
         'renderer/safe_browsing/phishing_classifier_delegate_browsertest.cc',
         'renderer/safe_browsing/phishing_dom_feature_extractor_browsertest.cc',
         'renderer/safe_browsing/phishing_thumbnailer_browsertest.cc',
         'renderer/translate_helper_browsertest.cc',
         'test/automation/dom_automation_browsertest.cc',
@@ skipping 1561 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }