Linux: refactor zygote support

chrome/chrome.gyp

 # Copyright (c) 2009 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,
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
     # the link of the actual chrome (or chromium) executable on
@@ skipping 1575 matching lines @@
         'browser/webdata/web_database_win.cc',
         'browser/window_sizer.cc',
         'browser/window_sizer.h',
         'browser/window_sizer_mac.mm',
         'browser/window_sizer_linux.cc',
         'browser/window_sizer_win.cc',
         'browser/worker_host/worker_process_host.cc',
         'browser/worker_host/worker_process_host.h',
         'browser/worker_host/worker_service.cc',
         'browser/worker_host/worker_service.h',
+        'browser/zygote_host_linux.cc',
+        'browser/zygote_main_linux.cc',
         'tools/build/win/precompiled_wtl.h',
         'tools/build/win/precompiled_wtl.cc',
 
         # This file is generated by GRIT.
         '<(grit_out_dir)/grit/theme_resources_map.cc',
       ],
       'conditions': [
         ['javascript_engine=="v8"', {
           'defines': [
             'CHROME_V8',
@@ skipping 2857 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'
         },
       ]
     }],
   ],  # 'conditions'
 }