[Notification] Make HTML5 Notification use ActionCenter on Windows 10, behind Flags.

chrome/app/chrome_exe_main_win.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 <windows.h>
 #include <malloc.h>
 #include <shellscalingapi.h>
 #include <stddef.h>
 #include <tchar.h>
 
 #include <algorithm>
 #include <string>
 
 #include "base/at_exit.h"
+#include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/threading/thread.h"
 #include "base/time/time.h"
 #include "base/win/registry.h"
 #include "base/win/windows_version.h"
+#include "chrome/app/chrome_exe_main_app_win.h"
 #include "chrome/app/main_dll_loader_win.h"
 #include "chrome/browser/policy/policy_path_parser.h"
 #include "chrome/browser/win/chrome_process_finder.h"
 #include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/install_static/initialize_from_primary_module.h"
 #include "chrome/install_static/install_util.h"
 #include "chrome_elf/chrome_elf_main.h"
 #include "components/crash/content/app/crash_switches.h"
 #include "components/crash/content/app/crashpad.h"
@@ skipping 222 matching lines @@
   // The exit manager is in charge of calling the dtors of singletons.
   base::AtExitManager exit_manager;
 
   EnableHighDPISupport();
 
   if (AttemptFastNotify(*command_line))
     return 0;
 
   RemoveAppCompatFlagsEntry();
 
+  base::Thread com_thread_("COM Thread for Toast");
+  if (process_type.empty()) {
+    if (base::win::GetVersion() >= base::win::VERSION_WIN10_R1) {
+      com_thread_.init_com_with_mta(true);
+      com_thread_.Start();
+      com_thread_.task_runner()->PostTask(
+          FROM_HERE, base::Bind(&PrepareChromeForWindows10));
+    }
+  }
+
   // Load and launch the chrome dll. *Everything* happens inside.
   VLOG(1) << "About to load main DLL.";
   MainDllLoader* loader = MakeMainDllLoader();
   int rc = loader->Launch(instance, exe_entry_point_ticks);
   loader->RelaunchChromeBrowserWithNewCommandLineIfNeeded();
   delete loader;
   return rc;
 }