Don't create a new profile when cleaning up stale ephemeral profiles.

chrome/browser/ui/app_list/profile_store.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 CHROME_BROWSER_UI_APP_LIST_PROFILE_STORE_H_
 #define CHROME_BROWSER_UI_APP_LIST_PROFILE_STORE_H_
 
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/profiles/profile_info_cache_observer.h"
@@ skipping 11 matching lines @@
   virtual void LoadProfileAsync(const base::FilePath& path,
                                 base::Callback<void(Profile*)> callback) = 0;
 
   // Returns the profile at |path| if it is already loaded.
   virtual Profile* GetProfileByPath(const base::FilePath& path) = 0;
 
   // The user data directory that profiles are stored under in this instance of
   // Chrome.
   virtual base::FilePath GetUserDataDir() = 0;
 
+  // The name of the last used profile.
+  virtual std::string GetLastUsedProfileName() = 0;
+
   // Returns true if the profile at |path| is supervised.
   virtual bool IsProfileSupervised(const base::FilePath& path) = 0;
 
   // Returns true if the profile at |path| is locked.
   virtual bool IsProfileLocked(const base::FilePath& path) = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_PROFILE_STORE_H_