Extract locking behaviour from ProcessSingleton.

chrome/browser/first_run/first_run.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_FIRST_RUN_FIRST_RUN_H_
 #define CHROME_BROWSER_FIRST_RUN_FIRST_RUN_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/gfx/native_widget_types.h"
 
 class CommandLine;
 class GURL;
 class PrefRegistrySyncable;
 class Profile;
-class ProcessSingleton;
 
 namespace base {
 class FilePath;
 }
 
 // This namespace contains the chrome first-run installation actions needed to
 // fully test the custom installer. It also contains the opposite actions to
 // execute during uninstall. When the first run UI is ready we won't
 // do the actions unconditionally. Currently the only action is to create a
 // desktop shortcut.
@@ skipping 95 matching lines @@
 // Get any extra arguments set with SetExtraArgumentsForImportProcess.
 const CommandLine& GetExtraArgumentsForImportProcess();
 
 // -- Platform-specific functions --
 
 // Automatically import history and home page (and search engine, if
 // ShouldShowSearchEngineDialog is true).
 void AutoImport(Profile* profile,
                 bool homepage_defined,
                 int import_items,
-                int dont_import_items,
-                ProcessSingleton* process_singleton);
+                int dont_import_items);
 
 // Does remaining first run tasks for |profile| and makes Chrome default browser
 // if |make_chrome_default|. This can pop the first run consent dialog on linux.
 void DoPostImportTasks(Profile* profile, bool make_chrome_default);
 
 // Whether a first-run import was triggered before the browser mainloop began.
 // This is used in testing to verify import startup actions that occur before
 // an observer can be registered in the test.
 bool DidPerformProfileImport(bool* exited_successfully);
 
@@ skipping 44 matching lines @@
                        const content::NotificationDetails& details) OVERRIDE;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(FirstRunBubbleLauncher);
 };
 
 }  // namespace first_run
 
 #endif  // CHROME_BROWSER_FIRST_RUN_FIRST_RUN_H_