Create a very simple TabContentsView (and not fully implemented yet) and add more supporting code...

content/content_browser.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.
 
 {
   'targets': [
     {
       'target_name': 'content_browser',
       'type': 'static_library',
       'dependencies': [
@@ skipping 42 matching lines @@
         'browser/appcache/appcache_frontend_proxy.h',
         'browser/appcache/chrome_appcache_service.cc',
         'browser/appcache/chrome_appcache_service.h',
         'browser/browser_child_process_host.cc',
         'browser/browser_child_process_host.h',
         'browser/browser_context.h',
         'browser/browser_main.cc',
         'browser/browser_main.h',
         'browser/browser_message_filter.cc',
         'browser/browser_message_filter.h',
+        'browser/browser_process_sub_thread.cc',
+        'browser/browser_process_sub_thread.h',
         'browser/browser_thread.cc',
         'browser/browser_thread.h',
         'browser/browser_url_handler.cc',
         'browser/browser_url_handler.h',
         'browser/browsing_instance.cc',
         'browser/browsing_instance.h',
         'browser/cancelable_request.cc',
         'browser/cancelable_request.h',
         'browser/cert_store.cc',
         'browser/cert_store.h',
@@ skipping 552 matching lines @@
             ['exclude', '^browser/accessibility/browser_accessibility_win.h'],
             ['exclude', '^browser/renderer_host/render_widget_host_view_win.cc'],
             ['exclude', '^browser/renderer_host/render_widget_host_view_win.h'],
             ['exclude', '^browser/renderer_host/render_message_filter_win.cc'],
           ],
         }],
       ],
     },
   ],
 }