Refactor DBusThreadManager to split away BT clients.

device/bluetooth/bluetooth_advertisement_chromeos.h

 // Copyright 2015 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_ADVERTISEMENT_CHROMEOS_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_ADVERTISEMENT_CHROMEOS_H_
 
 #include "base/macros.h"
-#include "chromeos/dbus/bluetooth_le_advertisement_service_provider.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_advertisement.h"
 #include "device/bluetooth/bluetooth_export.h"
+#include "device/bluetooth/dbus/bluetooth_le_advertisement_service_provider.h"
+
+namespace bluez {
+class BluetoothLEAdvertisementServiceProvider;
+}
 
 namespace chromeos {
 
-class BluetoothLEAdvertisementServiceProvider;
 class BluetoothAdapterChromeOS;
 
 // The BluetoothAdvertisementChromeOS class implements BluetoothAdvertisement
 // for the Chrome OS platform.
 class DEVICE_BLUETOOTH_EXPORT BluetoothAdvertisementChromeOS
     : public device::BluetoothAdvertisement,
-      public BluetoothLEAdvertisementServiceProvider::Delegate {
+      public bluez::BluetoothLEAdvertisementServiceProvider::Delegate {
  public:
   BluetoothAdvertisementChromeOS(
       scoped_ptr<device::BluetoothAdvertisement::Data> data,
       scoped_refptr<BluetoothAdapterChromeOS> adapter);
 
   // BluetoothAdvertisement overrides:
   void Unregister(const SuccessCallback& success_callback,
                   const ErrorCallback& error_callback) override;
 
-  // BluetoothLEAdvertisementServiceProvider::Delegate overrides:
+  // bluez::BluetoothLEAdvertisementServiceProvider::Delegate overrides:
   void Released() override;
 
   void Register(
       const base::Closure& success_callback,
       const device::BluetoothAdapter::CreateAdvertisementErrorCallback&
           error_callback);
 
   // Used from tests to be able to trigger events on the fake advertisement
   // provider.
-  BluetoothLEAdvertisementServiceProvider* provider() {
+  bluez::BluetoothLEAdvertisementServiceProvider* provider() {
     return provider_.get();
   }
 
  private:
   ~BluetoothAdvertisementChromeOS() override;
 
   // Adapter this advertisement is advertising on.
   scoped_refptr<BluetoothAdapterChromeOS> adapter_;
-  scoped_ptr<BluetoothLEAdvertisementServiceProvider> provider_;
+  scoped_ptr<bluez::BluetoothLEAdvertisementServiceProvider> provider_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothAdvertisementChromeOS);
 };
 
 }  // namespace chromeos
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADVERTISEMENT_CHROMEOS_H_