arc: Add InstanceHelper::GetInstanceForMethod()

components/arc/bluetooth/arc_bluetooth_bridge.h

 // Copyright 2016 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 COMPONENTS_ARC_BLUETOOTH_ARC_BLUETOOTH_BRIDGE_H_
 #define COMPONENTS_ARC_BLUETOOTH_ARC_BLUETOOTH_BRIDGE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 313 matching lines @@
  private:
   mojo::Array<mojom::BluetoothPropertyPtr> GetDeviceProperties(
       mojom::BluetoothPropertyType type,
       device::BluetoothDevice* device) const;
   mojo::Array<mojom::BluetoothPropertyPtr> GetAdapterProperties(
       mojom::BluetoothPropertyType type) const;
   mojo::Array<mojom::BluetoothAdvertisingDataPtr> GetAdvertisingData(
       device::BluetoothDevice* device) const;
 
   void SendCachedDevicesFound() const;
-  bool HasBluetoothInstance() const;
-  bool CheckBluetoothInstanceVersion(uint32_t version_need) const;
 
   device::BluetoothRemoteGattCharacteristic* FindGattCharacteristic(
       mojom::BluetoothAddressPtr remote_addr,
       mojom::BluetoothGattServiceIDPtr service_id,
       mojom::BluetoothGattIDPtr char_id) const;
 
   device::BluetoothRemoteGattDescriptor* FindGattDescriptor(
       mojom::BluetoothAddressPtr remote_addr,
       mojom::BluetoothGattServiceIDPtr service_id,
       mojom::BluetoothGattIDPtr char_id,
@@ skipping 69 matching lines @@
 
   // WeakPtrFactory to use for callbacks.
   base::WeakPtrFactory<ArcBluetoothBridge> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcBluetoothBridge);
 };
 
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_BLUETOOTH_ARC_BLUETOOTH_BRIDGE_H_