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

chrome/browser/browser_process_impl.cc

 // 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.
 
 #include "chrome/browser/browser_process_impl.h"
 
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/task.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/automation/automation_provider_list.h"
 #include "chrome/browser/background/background_mode_manager.h"
 #include "chrome/browser/chrome_browser_main.h"
-#include "chrome/browser/browser_process_sub_thread.h"
 #include "chrome/browser/browser_trial.h"
 #include "chrome/browser/chrome_plugin_service_filter.h"
 #include "chrome/browser/component_updater/component_updater_configurator.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
 #include "chrome/browser/debugger/devtools_protocol_handler.h"
 #include "chrome/browser/debugger/remote_debugging_server.h"
 #include "chrome/browser/download/download_request_limiter.h"
 #include "chrome/browser/extensions/extension_event_router_forwarder.h"
 #include "chrome/browser/extensions/extension_tab_id_map.h"
 #include "chrome/browser/extensions/user_script_listener.h"
@@ skipping 29 matching lines @@
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/default_plugin.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "chrome/common/json_pref_store.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/switch_utils.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/installer/util/google_update_constants.h"
 #include "content/browser/browser_child_process_host.h"
+#include "content/browser/browser_process_sub_thread.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/child_process_security_policy.h"
 #include "content/browser/debugger/devtools_manager.h"
 #include "content/browser/download/download_file_manager.h"
 #include "content/browser/download/mhtml_generation_manager.h"
 #include "content/browser/download/save_file_manager.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/net/browser_online_state_observer.h"
 #include "content/browser/plugin_service.h"
 #include "content/browser/renderer_host/render_process_host.h"
@@ skipping 52 matching lines @@
       created_sidebar_manager_(false),
       created_browser_policy_connector_(false),
       created_notification_ui_manager_(false),
       created_safe_browsing_service_(false),
       module_ref_count_(0),
       did_start_(false),
       checked_for_new_frames_(false),
       using_new_frames_(false) {
   g_browser_process = this;
   clipboard_.reset(new ui::Clipboard);
-  main_notification_service_.reset(new NotificationService);
 
   // Must be created after the NotificationService.
   print_job_manager_.reset(new printing::PrintJobManager);
 
   net_log_.reset(new ChromeNetLog);
 
   extension_event_router_forwarder_ = new ExtensionEventRouterForwarder;
 
   ExtensionTabIdMap::GetInstance()->Init();
 
@@ skipping 113 matching lines @@
   resource_dispatcher_host_.reset();
 
   // Wait for the pending print jobs to finish.
   print_job_manager_->OnQuit();
   print_job_manager_.reset();
 
   // Destroy TabCloseableStateWatcher before NotificationService since the
   // former registers for notifications.
   tab_closeable_state_watcher_.reset();
 
-  // Now OK to destroy NotificationService.
-  main_notification_service_.reset();
-
   g_browser_process = NULL;
 }
 
 #if defined(OS_WIN)
 // Send a QuitTask to the given MessageLoop.
 static void PostQuit(MessageLoop* message_loop) {
   message_loop->PostTask(FROM_HERE, new MessageLoop::QuitTask());
 }
 #elif defined(USE_X11)
 static void Signal(base::WaitableEvent* event) {
@@ skipping 12 matching lines @@
   DCHECK(CalledOnValidThread());
   DCHECK_NE(0u, module_ref_count_);
   module_ref_count_--;
   if (0 == module_ref_count_) {
     // Allow UI and IO threads to do blocking IO on shutdown, since we do a lot
     // of it on shutdown for valid reasons.
     base::ThreadRestrictions::SetIOAllowed(true);
     io_thread()->message_loop()->PostTask(
         FROM_HERE,
         NewRunnableFunction(&base::ThreadRestrictions::SetIOAllowed, true));
-    MessageLoop::current()->PostTask(
-        FROM_HERE, NewRunnableFunction(content::DidEndMainMessageLoop));
     MessageLoop::current()->Quit();
   }
   return module_ref_count_;
 }
 
 void BrowserProcessImpl::EndSession() {
   // Mark all the profiles as clean.
   ProfileManager* pm = profile_manager();
   std::vector<Profile*> profiles(pm->GetLoadedProfiles());
   for (size_t i = 0; i < profiles.size(); ++i)
@@ skipping 774 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartPersistentInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)