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

chrome/browser/notifications/notification_display_service_factory.cc

Index: chrome/browser/notifications/notification_display_service_factory.cc
diff --git a/chrome/browser/notifications/notification_display_service_factory.cc b/chrome/browser/notifications/notification_display_service_factory.cc
index 1caf65749acf520d5fbe9ae772912dd668d265b3..e46f288fdb7d6e8ad60ca5979475c3e1b66a63bd 100644
--- a/chrome/browser/notifications/notification_display_service_factory.cc
+++ b/chrome/browser/notifications/notification_display_service_factory.cc
@@ -6,6 +6,7 @@
 
 #include "base/command_line.h"
 #include "base/memory/singleton.h"
+#include "base/win/windows_version.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/notifications/message_center_display_service.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
@@ -14,7 +15,7 @@
 #include "chrome/common/chrome_switches.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 
-#if defined(OS_ANDROID) || defined(OS_MACOSX)
+#if defined(OS_WIN) || defined(OS_ANDROID) || defined(OS_MACOSX)
 #include "chrome/browser/notifications/native_notification_display_service.h"
 #endif
 
@@ -44,7 +45,15 @@ NotificationDisplayServiceFactory::NotificationDisplayServiceFactory()
 //   - All other platforms always use the MessageCenterDisplayService.
 KeyedService* NotificationDisplayServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
-#if defined(OS_ANDROID)
+#if defined(OS_WIN)
+  if (base::win::GetVersion() >= base::win::VERSION_WIN10 &&
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableNativeNotifications)) {
+    return new NativeNotificationDisplayService(
+        Profile::FromBrowserContext(context),
+        g_browser_process->notification_platform_bridge());
+  }
+#elif defined(OS_ANDROID)
   return new NativeNotificationDisplayService(
       Profile::FromBrowserContext(context),
       g_browser_process->notification_platform_bridge());