Foreign tab suggestions should update when disabling sync or signing out.

components/sync_sessions/open_tabs_ui_delegate.h

 // Copyright 2013 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 COMPONENTS_SYNC_SESSIONS_OPEN_TABS_UI_DELEGATE_H_
 #define COMPONENTS_SYNC_SESSIONS_OPEN_TABS_UI_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 16 matching lines @@
   // Builds a list of all foreign sessions, ordered from most recent to least
   // recent. Caller does NOT own SyncedSession objects.
   // Returns true if foreign sessions were found, false otherwise.
   virtual bool GetAllForeignSessions(
       std::vector<const SyncedSession*>* sessions) = 0;
 
   // Looks up the foreign tab identified by |tab_id| and belonging to foreign
   // session |tag|. Caller does NOT own the SessionTab object.
   // Returns true if the foreign session and tab were found, false otherwise.
   virtual bool GetForeignTab(const std::string& tag,
-                             const SessionID::id_type tab_id,
+                             SessionID::id_type tab_id,
                              const sessions::SessionTab** tab) = 0;
 
   // Delete a foreign session and all its sync data.
   virtual void DeleteForeignSession(const std::string& tag) = 0;
 
   // Loads all windows for foreign session with session tag |tag|. Caller does
   // NOT own SessionWindow objects.
   // Returns true if the foreign session was found, false otherwise.
   virtual bool GetForeignSession(
       const std::string& tag,
@@ skipping 12 matching lines @@
   // local machine.
   virtual bool GetLocalSession(const SyncedSession** local) = 0;
 
  protected:
   virtual ~OpenTabsUIDelegate();
 };
 
 }  // namespace sync_sessions
 
 #endif  // COMPONENTS_SYNC_SESSIONS_OPEN_TABS_UI_DELEGATE_H_