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

content/browser/browser_main.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 "content/browser/browser_main.h"
 
 #include "base/allocator/allocator_shim.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/system_monitor/system_monitor.h"
 #include "base/threading/thread_restrictions.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/content_browser_client.h"
 #include "content/common/content_switches.h"
 #include "content/common/hi_res_timer_manager.h"
 #include "content/common/main_function_params.h"
+#include "content/common/notification_service.h"
 #include "content/common/result_codes.h"
 #include "content/common/sandbox_policy.h"
 #include "crypto/nss_util.h"
 #include "net/base/network_change_notifier.h"
 #include "net/base/ssl_config_service.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/socket/tcp_client_socket.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
@@ skipping 307 matching lines @@
 
 void BrowserMainParts::ToolkitInitialized() {
 }
 
 }  // namespace content
 
 // Main routine for running as the Browser process.
 int BrowserMain(const MainFunctionParams& parameters) {
   TRACE_EVENT_BEGIN_ETW("BrowserMain", 0, "");
 
+  NotificationService main_notification_service;
+
   scoped_ptr<content::BrowserMainParts> parts(
       content::GetContentClient()->browser()->CreateBrowserMainParts(
           parameters));
   if (!parts.get())
     parts.reset(new content::BrowserMainParts(parameters));
 
   parts->EarlyInitialization();
 
   // Must happen before we try to use a message loop or display any UI.
   parts->InitializeToolkit();
@@ skipping 35 matching lines @@
 #endif
   // The broker service initialization needs to run early because it will
   // initialize the sandbox broker, which requires the process to swap its
   // window station. During this time all the UI will be broken. This has to
   // run before threads and windows are created.
   InitializeBrokerServices(parameters, parameters.command_line_);
 
   base::win::ScopedCOMInitializer com_initializer;
 #endif  // OS_WIN
 
-  // Initialize histogram statistics gathering system.
   base::StatisticsRecorder statistics;
 
   parts->RunMainMessageLoopParts();
 
   TRACE_EVENT_END_ETW("BrowserMain", 0, 0);
   return parts->result_code();
 }