[sessions] Properly namespace recently-componentized TabRestore code

chrome/browser/sessions/session_service.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 CHROME_BROWSER_SESSIONS_SESSION_SERVICE_H_
 #define CHROME_BROWSER_SESSIONS_SESSION_SERVICE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 197 matching lines @@
                          const SessionID& tab_id,
                          base::TimeTicks last_active_time);
 
   // Fetches the contents of the last session, notifying the callback when
   // done. If the callback is supplied an empty vector of SessionWindows
   // it means the session could not be restored.
   base::CancelableTaskTracker::TaskId GetLastSession(
       const sessions::GetLastSessionCallback& callback,
       base::CancelableTaskTracker* tracker);
 
-  // sessions::BaseSessionServiceDelegate:
+  // BaseSessionServiceDelegate:
   base::SequencedWorkerPool* GetBlockingPool() override;
   bool ShouldUseDelayedSave() override;
   void OnSavedCommands() override;
 
  private:
   // Allow tests to access our innards for testing purposes.
   FRIEND_TEST_ALL_PREFIXES(SessionServiceTest, SavedSessionNotification);
   FRIEND_TEST_ALL_PREFIXES(SessionServiceTest, RestoreActivation1);
   FRIEND_TEST_ALL_PREFIXES(SessionServiceTest, RestoreActivation2);
   FRIEND_TEST_ALL_PREFIXES(SessionServiceTest, RemoveUnusedRestoreWindowsTest);
@@ skipping 170 matching lines @@
   // For browser_tests, since we want to simulate the browser shutting down
   // without quitting.
   bool force_browser_not_alive_with_no_windows_;
 
   base::WeakPtrFactory<SessionService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionService);
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_SESSION_SERVICE_H_