[sync] WebContentsObserver based sessions notifications

chrome/browser/sync/sessions/notification_service_sessions_router.h

Index: chrome/browser/sync/sessions/notification_service_sessions_router.h
diff --git a/chrome/browser/sync/sessions/notification_service_sessions_router.h b/chrome/browser/sync/sessions/notification_service_sessions_router.h
deleted file mode 100644
index 51ca72a82dbfc4bd4245f1af61503f01ca19d2de..0000000000000000000000000000000000000000
--- a/chrome/browser/sync/sessions/notification_service_sessions_router.h
+++ /dev/null
@@ -1,84 +0,0 @@
-// Copyright 2014 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_SYNC_SESSIONS_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_
-#define CHROME_BROWSER_SYNC_SESSIONS_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_
-
-#include <memory>
-#include <set>
-
-#include "base/callback_list.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "components/sync_sessions/sessions_sync_manager.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-
-class GURL;
-class Profile;
-
-namespace content {
-class WebContents;
-}
-
-namespace sync_sessions {
-
-class SyncSessionsClient;
-
-// A SessionsSyncManager::LocalEventRouter that drives session sync via
-// the NotificationService.
-class NotificationServiceSessionsRouter
-    : public LocalSessionEventRouter,
-      public content::NotificationObserver {
- public:
-  NotificationServiceSessionsRouter(
-      Profile* profile,
-      SyncSessionsClient* sessions_client_,
-      const syncer::SyncableService::StartSyncFlare& flare);
-  ~NotificationServiceSessionsRouter() override;
-
-  // content::NotificationObserver implementation.
-  // BrowserSessionProvider -> sync API model change application.
-  void Observe(int type,
-               const content::NotificationSource& source,
-               const content::NotificationDetails& details) override;
-
-  // SessionsSyncManager::LocalEventRouter implementation.
-  void StartRoutingTo(LocalSessionEventHandler* handler) override;
-  void Stop() override;
-
- private:
-  // Called when the URL visited in |web_contents| was blocked by the
-  // SupervisedUserService. We forward this on to our handler_ via the
-  // normal OnLocalTabModified, but pass through here via a WeakPtr
-  // callback from SupervisedUserService and to extract the tab delegate
-  // from WebContents.
-  void OnNavigationBlocked(content::WebContents* web_contents);
-
-  // Called when the favicons for the given page URLs
-  // (e.g. http://www.google.com) and the given icon URL (e.g.
-  // http://www.google.com/favicon.ico) have changed. It is valid to call
-  // OnFaviconsChanged() with non-empty |page_urls| and an empty |icon_url|
-  // and vice versa.
-  void OnFaviconsChanged(const std::set<GURL>& page_urls,
-                         const GURL& icon_url);
-
-  LocalSessionEventHandler* handler_;
-  content::NotificationRegistrar registrar_;
-  Profile* const profile_;
-  SyncSessionsClient* const sessions_client_;
-  syncer::SyncableService::StartSyncFlare flare_;
-
-  std::unique_ptr<base::CallbackList<void(const std::set<GURL>&,
-                                          const GURL&)>::Subscription>
-      favicon_changed_subscription_;
-
-  base::WeakPtrFactory<NotificationServiceSessionsRouter> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(NotificationServiceSessionsRouter);
-};
-
-}  // namespace sync_sessions
-
-#endif  // CHROME_BROWSER_SYNC_SESSIONS_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_