bluetooth: Implement TxPower and RSSI of BluetoothAdvertisementData

content/common/bluetooth/bluetooth_device.h

Index: content/common/bluetooth/bluetooth_device.h
diff --git a/content/common/bluetooth/bluetooth_device.h b/content/common/bluetooth/bluetooth_device.h
index 73aef998b4bc768ac651ad62176062380a977147..575f43af1c796ed173cb0144f106fea81dce1222 100644
--- a/content/common/bluetooth/bluetooth_device.h
+++ b/content/common/bluetooth/bluetooth_device.h
@@ -20,6 +20,8 @@ struct CONTENT_EXPORT BluetoothDevice {
   BluetoothDevice();
   BluetoothDevice(const std::string& id,
                   const base::string16& name,
+                  int8_t tx_power,
+                  int8_t rssi,
                   uint32 device_class,
                   device::BluetoothDevice::VendorIDSource vendor_id_source,
                   uint16 vendor_id,
@@ -31,9 +33,18 @@ struct CONTENT_EXPORT BluetoothDevice {
 
   static std::vector<std::string> UUIDsFromBluetoothUUIDs(
       const device::BluetoothDevice::UUIDList& uuid_list);
+  // 127 is used as Unknown Power. According to the Bluetooth spec valid powers
+  // are between [-127, 127]. Anything outside this range will be considered
+  // Unknown Power.
+  static int8_t ValidatePower(int16_t power);
+  // TODO(ortuno): RSSI Unknown and Tx Power Unknown should have different
+  // values. Add kUnknownTxPower when implemented: http://crbug.com/551572
+  const static int8_t kUnknownPower = 127;
 
   std::string id;
   base::string16 name;
+  int8_t tx_power;
+  int8_t rssi;
   uint32 device_class;
   device::BluetoothDevice::VendorIDSource vendor_id_source;
   uint16 vendor_id;