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

chrome/app/chrome_exe_main_win.cc

Index: chrome/app/chrome_exe_main_win.cc
diff --git a/chrome/app/chrome_exe_main_win.cc b/chrome/app/chrome_exe_main_win.cc
index b1095fb081dd470f78f63f2e814c0b02e0953a15..cde1f24781253b501653ba84d07f0f3698aca947 100644
--- a/chrome/app/chrome_exe_main_win.cc
+++ b/chrome/app/chrome_exe_main_win.cc
@@ -12,6 +12,7 @@
 #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"
@@ -20,9 +21,11 @@
 #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"
@@ -265,6 +268,16 @@ int main() {
 
   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();