Profile shouldn't own Session/TabRestore services.

chrome/browser/sessions/base_session_service.h

 // Copyright (c) 2011 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_SESSIONS_BASE_SESSION_SERVICE_H_
 #define CHROME_BROWSER_SESSIONS_BASE_SESSION_SERVICE_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
+#include "chrome/browser/profiles/profile_keyed_service.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "content/browser/cancelable_request.h"
 
 class NavigationEntry;
 class Profile;
 class SessionBackend;
 class SessionCommand;
 class TabNavigation;
 
 namespace base {
 class Thread;
 }
 
 // BaseSessionService is the super class of both tab restore service and
 // session service. It contains commonality needed by both, in particular
 // it manages a set of SessionCommands that are periodically sent to a
 // SessionBackend.
-class BaseSessionService : public CancelableRequestProvider {
+class BaseSessionService : public CancelableRequestProvider,
+                           public ProfileKeyedService {
  public:
   // Identifies the type of session service this is. This is used by the
   // backend to determine the name of the files.
   enum SessionType {
     SESSION_RESTORE,
     TAB_RESTORE
   };
 
   // Creates a new BaseSessionService. After creation you need to invoke
   // Init.
@@ skipping 140 matching lines @@
   // over the commands.
   bool pending_reset_;
 
   // The number of commands sent to the backend before doing a reset.
   int commands_since_reset_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseSessionService);
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_BASE_SESSION_SERVICE_H_