bluetooth: Add Device service for chrome://bluetooth-internals.

device/bluetooth/adapter.h

Index: device/bluetooth/adapter.h
diff --git a/device/bluetooth/adapter.h b/device/bluetooth/adapter.h
index ea034afb22c380f75a33fb6399c7b5dc98088085..80b32a5911e29336e66441e71e878e8c8cd5518c 100644
--- a/device/bluetooth/adapter.h
+++ b/device/bluetooth/adapter.h
@@ -5,10 +5,14 @@
 #ifndef DEVICE_BLUETOOTH_ADAPTER_H_
 #define DEVICE_BLUETOOTH_ADAPTER_H_
 
+#include <string>
+
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
 #include "device/bluetooth/public/interfaces/adapter.mojom.h"
+#include "device/bluetooth/public/interfaces/device.mojom.h"
 
 namespace bluetooth {
 
@@ -24,6 +28,8 @@ class Adapter : public mojom::Adapter,
 
   // mojom::Adapter overrides:
   void GetInfo(const GetInfoCallback& callback) override;
+  void GetDeviceService(const std::string& address,
+                        const GetDeviceServiceCallback& callback) override;
   void GetDevices(const GetDevicesCallback& callback) override;
   void SetClient(mojom::AdapterClientPtr client) override;
 
@@ -34,10 +40,6 @@ class Adapter : public mojom::Adapter,
                      device::BluetoothDevice* device) override;
 
  private:
-  // Creates a mojom::DeviceInfo using info from the given |device|.
-  static mojom::DeviceInfoPtr ConstructDeviceInfoStruct(
-      const device::BluetoothDevice* device);
-
   // The current Bluetooth adapter.
   scoped_refptr<device::BluetoothAdapter> adapter_;