[Clean up] Introduce a BLUETOOTH_EXPORT macro to control symbol visibility outside of //device/blue…

device/bluetooth/bluetooth_gatt_descriptor.h

 // Copyright 2014 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 DEVICE_BLUETOOTH_BLUETOOTH_GATT_DESCRIPTOR_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_GATT_DESCRIPTOR_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
+#include "device/bluetooth/bluetooth_export.h"
 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
 #include "device/bluetooth/bluetooth_uuid.h"
 
 namespace device {
 
 // BluetoothGattDescriptor represents a local or remote GATT characteristic
 // descriptor. A GATT characteristic descriptor provides further information
 // about a characteristic's value. They can be used to describe the
 // characteristic's features or to control certain behaviors.
-class BluetoothGattDescriptor {
+class BLUETOOTH_EXPORT BluetoothGattDescriptor {
  public:
   // The Bluetooth Specification declares several predefined descriptors that
   // profiles can use. The following are definitions for the list of UUIDs
   // and descriptions of the characteristic descriptors that they represent.
   // Possible values for and further information on each descriptor can be found
   // in Core v4.0, Volume 3, Part G, Section 3.3.3. All of these desciptors are
   // optional and may not be present for a given characteristic.
 
   // The "Characteristic Extended Properties" descriptor. This defines
   // additional "Characteristic Properties" which cannot fit into the allocated
@@ skipping 148 matching lines @@
   BluetoothGattDescriptor();
   virtual ~BluetoothGattDescriptor();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothGattDescriptor);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_GATT_DESCRIPTOR_H_