Implemented BluetoothExtensionFunction.

chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.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_EXTENSIONS_API_BLUETOOTH_BLUETOOTH_EXTENSION_FUNCTION_H_
+#define CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_BLUETOOTH_EXTENSION_FUNCTION_H_
+
+#include "base/memory/ref_counted.h"
+#include "chrome/browser/extensions/extension_function.h"
+
+namespace device {
+
+class BluetoothAdapter;
+
+}  // namespace device
+
+namespace extensions {
+
+namespace api {
+
+// Base class for bluetooth extension functions. This class initializes
+// bluetooth adapter and calls DoWork() implemented by individual bluetooth
+// extension functions.
+class BluetoothExtensionFunction : public AsyncExtensionFunction {
+ public:
+  BluetoothExtensionFunction();
+
+ protected:
+  virtual ~BluetoothExtensionFunction();
+
+  // ExtensionFunction:
+  virtual bool RunImpl() OVERRIDE;
+
+ private:
+  // Implemented by individual bluetooth extension functions, called
+  // automatically once |adapter| has been initialized.
+  virtual bool DoWork(scoped_refptr<device::BluetoothAdapter> adapter) = 0;
+};
+
+}  // namespace api
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_BLUETOOTH_EXTENSION_FUNCTION_H_