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

chrome/browser/notifications/notification_platform_bridge_win.h

-// Copyright 2015 The Chromium Authors. All rights reserved.
+// Copyright 2016 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.
 
-#ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_MAC_H_
-#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_MAC_H_
+#ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_WIN_H_
+#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_WIN_H_
+
+#include <windows.ui.notifications.h>
 
 #include <set>
 #include <string>
 
-#include "base/mac/scoped_nsobject.h"
-#include "base/macros.h"
 #include "chrome/browser/notifications/notification_platform_bridge.h"
 
+namespace winui = ABI::Windows::UI;
+
 class Notification;
-@class NotificationCenterDelegate;
-@class NSUserNotificationCenter;
-class PrefService;
 
 // This class is an implementation of NotificationPlatformBridge that will
-// send platform notifications to the the MacOSX notification center.
-class NotificationPlatformBridgeMac : public NotificationPlatformBridge {
+// send platform notifications to the Windows Notification Area.
+class NotificationPlatformBridgeWin : public NotificationPlatformBridge {
  public:
-  explicit NotificationPlatformBridgeMac(
-      NSUserNotificationCenter* notification_center);
-  ~NotificationPlatformBridgeMac() override;
+  NotificationPlatformBridgeWin();
+  ~NotificationPlatformBridgeWin() override;
 
   // NotificationPlatformBridge implementation.
   void Display(const std::string& notification_id,
                const std::string& profile_id,
                bool incognito,
                const Notification& notification) override;
   void Close(const std::string& profile_id,
              const std::string& notification_id) override;
   bool GetDisplayed(const std::string& profile_id,
                     bool incognito,
                     std::set<std::string>* notifications) const override;
   bool SupportsNotificationCenter() const override;
 
+  HRESULT OnActivate(winui::Notifications::IToastNotification* notification,

[chrisha, 2016/06/02 21:14:10]

No comment for this function?

[huangs, 2016/06/14 01:12:35]

Added.  This is callback when notification gets clicked.  Haven't found one when
notification is shown.

+                     IInspectable* inspectable);
+
  private:
-  // Cocoa class that receives callbacks from the NSUserNotificationCenter.
-  base::scoped_nsobject<NotificationCenterDelegate> delegate_;
-
-  // The notification center to use, this can be overriden in tests
-  NSUserNotificationCenter* notification_center_;
-
-  DISALLOW_COPY_AND_ASSIGN(NotificationPlatformBridgeMac);
+  DISALLOW_COPY_AND_ASSIGN(NotificationPlatformBridgeWin);
 };
 
-#endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_MAC_H_
+#endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_PLATFORM_BRIDGE_WIN_H_