bluetooth: Implement known_service_uuids for Peripherals.

device/bluetooth/test/fake_peripheral.cc

Index: device/bluetooth/test/fake_peripheral.cc
diff --git a/device/bluetooth/test/fake_peripheral.cc b/device/bluetooth/test/fake_peripheral.cc
index 6714a5b827ccdd86180404e1100ed96b1404594a..1515e991b9f194914b363e65f15705cd27e11c72 100644
--- a/device/bluetooth/test/fake_peripheral.cc
+++ b/device/bluetooth/test/fake_peripheral.cc
@@ -15,13 +15,17 @@ FakePeripheral::FakePeripheral(FakeCentral* fake_central,
 FakePeripheral::~FakePeripheral() {}
 
 void FakePeripheral::SetName(base::Optional<std::string> name) {
-  name_ = name;
+  name_ = std::move(name);
 }
 
 void FakePeripheral::SetGattConnected(bool connected) {
   gatt_connected_ = connected;
 }
 
+void FakePeripheral::SetServiceUUIDs(UUIDSet service_uuids) {
+  service_uuids_ = std::move(service_uuids);
+}
+
 uint32_t FakePeripheral::GetBluetoothClass() const {
   NOTREACHED();
   return 0;
@@ -102,7 +106,7 @@ bool FakePeripheral::IsConnecting() const {
 }
 
 device::BluetoothDevice::UUIDSet FakePeripheral::GetUUIDs() const {
-  return UUIDSet();
+  return service_uuids_;
 }
 
 bool FakePeripheral::ExpectingPinCode() const {