bluetooth: Make device/bluetooth a shared library component.

device/bluetooth/bluetooth.gyp

 # Copyright 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       # GN version: //device/bluetooth
       'target_name': 'device_bluetooth',
-      'type': 'static_library',
+      'type': '<(component)',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../net/net.gyp:net',
         '../../ui/base/ui_base.gyp:ui_base',
         'bluetooth_strings.gyp:device_bluetooth_strings',
       ],
+      'defines': [
+        'DEVICE_BLUETOOTH_IMPLEMENTATION',
+      ],
       'sources': [
         # Note: file list duplicated in GN build.
         'bluetooth_adapter.cc',
         'bluetooth_adapter.h',
         'bluetooth_adapter_chromeos.cc',
         'bluetooth_adapter_chromeos.h',
         'bluetooth_adapter_factory.cc',
         'bluetooth_adapter_factory.h',
         'bluetooth_adapter_mac.h',
         'bluetooth_adapter_mac.mm',
@@ skipping 127 matching lines @@
         'test/mock_bluetooth_gatt_notify_session.cc',
         'test/mock_bluetooth_gatt_notify_session.h',
         'test/mock_bluetooth_gatt_service.cc',
         'test/mock_bluetooth_gatt_service.h',
         'test/mock_bluetooth_socket.cc',
         'test/mock_bluetooth_socket.h',
       ],
     },
   ],
 }