Initial checkin of the out of process worker implementation....

chrome/browser/browser.scons

 # Copyright (c) 2006-2008 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.
 
 Import('env')
 
 env = env.Clone()
 
 env.SConscript([
     '$CHROME_DIR/third_party/hunspell/using_hunspell.scons',
@@ skipping 630 matching lines @@
     'google_update.cc',
     'google_update.h',
     'modal_html_dialog_delegate.cc',
     'modal_html_dialog_delegate.h',
     'page_state.cc',
     'page_state.h',
     'plugin_installer.cc',
     'plugin_installer.h',
     'toolbar_model.cc',
     'toolbar_model.h',
+    'worker_host/worker_process_host.cc',
+    'worker_host/worker_process_host.h',
+    'worker_host/worker_service.cc',
+    'worker_host/worker_service.h',
 ])
 
 if not env.Bit('windows'):
   # TODO: Port these.
   input_files.Remove(
       'app_modal_dialog_queue.cc',
       'autocomplete/autocomplete_accessibility.cc',
       'autocomplete/autocomplete_popup_view_win.cc',
       'autocomplete/edit_drop_target.cc',
       'automation/ui_controls.cc',
@@ skipping 194 matching lines @@
 
 xmldoc_tool_list = [
     MSVSTool('VCCLCompilerTool',
              XMLDocumentationFileName=('$(IntDir)/$(InputName)1.xdc'),
              ObjectFile='$(IntDir)/$(InputName)1.obj'),
 ]
 
 for filename in xmldoc_files:
   p.AddFileConfig(filename, 'Debug|Win32', xmldoc_tool_list)
   p.AddFileConfig(filename, 'Release|Win32', xmldoc_tool_list)