Report text output and exit code for command-line operations.

chrome/browser/chrome_process_singleton.h

 // Copyright (c) 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_CHROME_PROCESS_SINGLETON_H_
 #define CHROME_BROWSER_CHROME_PROCESS_SINGLETON_H_
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/process_singleton.h"
@@ skipping 10 matching lines @@
 // NotificationCallback.
 //
 // The client must ensure that SetActiveModalDialog is called appropriately when
 // dialogs are displayed or dismissed during startup. While a dialog is active:
 // 1. Neither this process nor the invoking process will handle the command
 //    line.
 // 2. The active dialog is brought to the foreground and/or the taskbar icon
 //    flashed (using ::SetForegroundWindow on Windows).
 class ChromeProcessSingleton {
  public:
-  ChromeProcessSingleton(
-      const base::FilePath& user_data_dir,
-      const ProcessSingleton::NotificationCallback& notification_callback);
+  typedef base::Callback<bool(const CommandLine& command_line,
+                              const base::FilePath& current_directory,
+                              scoped_ptr<OperationOutput> operation_output)>
+      NotificationCallback;
 
   ChromeProcessSingleton(
       const base::FilePath& user_data_dir,
-      const ProcessSingleton::NotificationCallback& notification_callback,
+      const NotificationCallback& notification_callback);
+
+  ChromeProcessSingleton(
+      const base::FilePath& user_data_dir,
+      const NotificationCallback& notification_callback,
       const ProcessSingletonModalDialogLock::SetForegroundWindowHandler&
           set_foreground_window_handler);
 
   ~ChromeProcessSingleton();
 
   // Notify another process, if available. Otherwise sets ourselves as the
   // singleton instance. Returns PROCESS_NONE if we became the singleton
   // instance. Callers are guaranteed to either have notified an existing
   // process or have grabbed the singleton (unless the profile is locked by an
   // unreachable process).
@@ skipping 20 matching lines @@
   ProcessSingletonStartupLock startup_lock_;
   ProcessSingletonModalDialogLock modal_dialog_lock_;
 
   // The basic ProcessSingleton
   ProcessSingleton process_singleton_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeProcessSingleton);
 };
 
 #endif  // CHROME_BROWSER_CHROME_PROCESS_SINGLETON_H_