[Sync] Print out notification state explicitly in about:sync

sync/internal_api/sync_manager_impl.h

 // Copyright (c) 2012 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 SYNC_INTERNAL_API_SYNC_MANAGER_H_
 #define SYNC_INTERNAL_API_SYNC_MANAGER_H_
 
 #include <string>
 #include <vector>
 
 #include "net/base/network_change_notifier.h"
 #include "sync/engine/all_status.h"
 #include "sync/engine/net/server_connection_manager.h"
 #include "sync/engine/sync_engine_event.h"
 #include "sync/engine/throttled_data_type_tracker.h"
 #include "sync/engine/traffic_recorder.h"
 #include "sync/internal_api/change_reorder_buffer.h"
 #include "sync/internal_api/debug_info_event_listener.h"
 #include "sync/internal_api/js_mutation_event_observer.h"
 #include "sync/internal_api/js_sync_manager_observer.h"
 #include "sync/internal_api/public/sync_manager.h"
 #include "sync/js/js_backend.h"
+#include "sync/notifier/notifications_disabled_reason.h"
 #include "sync/notifier/sync_notifier_observer.h"
 #include "sync/syncable/directory_change_delegate.h"
 #include "sync/util/cryptographer.h"
 #include "sync/util/time.h"
 
 namespace syncer {
 
 class SyncAPIServerConnectionManager;
 class WriteNode;
 class WriteTransaction;
@@ skipping 257 matching lines @@
   void UpdateNotificationInfo(
       const ModelTypePayloadMap& type_payloads);
 
   // Checks for server reachabilty and requests a nudge.
   void OnIPAddressChangedImpl();
 
   // Helper function used only by the constructor.
   void BindJsMessageHandler(
     const std::string& name, UnboundJsMessageHandler unbound_message_handler);
 
+  // Helper function used by OnNotifications{Enabled,Disabled}().
+  void OnNotificationStateChange(NotificationsDisabledReason reason);
+
   // Returned pointer is owned by the caller.
   static DictionaryValue* NotificationInfoToValue(
       const NotificationInfoMap& notification_info);
 
+  static std::string NotificationInfoToString(
+      const NotificationInfoMap& notification_info);
+
   // JS message handlers.
   JsArgList GetNotificationState(const JsArgList& args);
   JsArgList GetNotificationInfo(const JsArgList& args);
   JsArgList GetRootNodeDetails(const JsArgList& args);
   JsArgList GetAllNodes(const JsArgList& args);
   JsArgList GetNodeSummariesById(const JsArgList& args);
   JsArgList GetNodeDetailsById(const JsArgList& args);
   JsArgList GetChildNodeIds(const JsArgList& args);
   JsArgList GetClientServerTraffic(const JsArgList& args);
 
@@ skipping 59 matching lines @@
   // TRANSACTION_COMPLETE step by HandleTransactionCompleteChangeEvent.
   ChangeReorderBuffer change_buffers_[MODEL_TYPE_COUNT];
 
   SyncManager::ChangeDelegate* change_delegate_;
 
   // Set to true once Init has been called.
   bool initialized_;
 
   bool observing_ip_address_changes_;
 
+  NotificationsDisabledReason notifications_disabled_reason_;
+
   // Map used to store the notification info to be displayed in
   // about:sync page.
   NotificationInfoMap notification_info_map_;
 
   // These are for interacting with chrome://sync-internals.
   JsMessageHandlerMap js_message_handlers_;
   WeakHandle<JsEventHandler> js_event_handler_;
   JsSyncManagerObserver js_sync_manager_observer_;
   JsMutationEventObserver js_mutation_event_observer_;
 
@@ skipping 12 matching lines @@
   // conflict resolver) updated the nigori's encryption keys in this chrome
   // instantiation.
   int nigori_overwrite_count_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncManagerImpl);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_SYNC_MANAGER_H_