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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CHROME_BROWSER_EXTENSIONS_APP_HOST_INSTALLER_H_ |
| 6 #define CHROME_BROWSER_EXTENSIONS_APP_HOST_INSTALLER_H_ |
| 7 |
| 8 #include "base/callback_forward.h" |
| 9 |
| 10 namespace extensions { |
| 11 |
| 12 class Extension; |
| 13 |
| 14 namespace app_host_installer { |
| 15 |
| 16 // Called on the original calling thread after InstallAppHostIfNecessary() |
| 17 // is complete. A boolean flag is passed, which is false iff the installation |
| 18 // was required but failed. |
| 19 typedef base::Callback<void(bool)> OnAppHostInstallationCompleteCallback; |
| 20 |
| 21 // Installs the App Host if it is absent, but is required for the given |
| 22 // extension on the current platform. |
| 23 // Calls |completion_callback| on the original calling thread after. |
| 24 void InstallAppHostIfNecessary( |
| 25 const Extension& extension, |
| 26 const OnAppHostInstallationCompleteCallback& completion_callback); |
| 27 |
| 28 } // namespace app_host_installer |
| 29 |
| 30 } // namespace extensions |
| 31 |
| 32 #endif // CHROME_BROWSER_EXTENSIONS_APP_HOST_INSTALLER_H_ |
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