Add Linux support for the Bluetooth API.

device/bluetooth/test/mock_bluetooth_advertisement.h

Index: device/bluetooth/test/mock_bluetooth_advertisement.h
diff --git a/device/bluetooth/test/mock_bluetooth_advertisement.h b/device/bluetooth/test/mock_bluetooth_advertisement.h
index ddaeef43dd3260890383d0e8c5d43eda1c15df70..2079cf058bc429b95c6ef0b6cf4aa1de30dd75b1 100644
--- a/device/bluetooth/test/mock_bluetooth_advertisement.h
+++ b/device/bluetooth/test/mock_bluetooth_advertisement.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef DEVICE_BLUETOOTH_BLUETOOTH_ADVERTISEMENT_CHROMEOS_H_
-#define DEVICE_BLUETOOTH_BLUETOOTH_ADVERTISEMENT_CHROMEOS_H_
+#ifndef DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_ADVERTISEMENT_H_
+#define DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_ADVERTISEMENT_H_
 
 #include "base/macros.h"
 #include "device/bluetooth/bluetooth_advertisement.h"
@@ -24,6 +24,6 @@ class MockBluetoothAdvertisement : public device::BluetoothAdvertisement {
   DISALLOW_COPY_AND_ASSIGN(MockBluetoothAdvertisement);
 };
 
-}  // namespace chromeos
+}  // namespace device
 
-#endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADVERTISEMENT_CHROMEOS_H_
+#endif  // DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_ADVERTISEMENT_H_