bluetooth: Implement simulatePreconnectedPeripheral.

device/bluetooth/test/fake_central.h

Index: device/bluetooth/test/fake_central.h
diff --git a/device/bluetooth/test/fake_central.h b/device/bluetooth/test/fake_central.h
index c4e2be4ca331ba76b5839b2836d5a919cf50593e..9dfddf6c39e15ecff859ed61d4f8e1e469b7b34b 100644
--- a/device/bluetooth/test/fake_central.h
+++ b/device/bluetooth/test/fake_central.h
@@ -23,6 +23,12 @@ class FakeCentral : NON_EXPORTED_BASE(public mojom::FakeCentral),
  public:
   FakeCentral(mojom::CentralState state, mojom::FakeCentralRequest request);
 
+  // FakeCentral overrides:
+  void SimulatePreconnectedPeripheral(
+      const std::string& address,
+      const std::string& name,
+      SimulatePreconnectedPeripheralCallback callback) override;
+
   // BluetoothAdapter overrides:
   std::string GetAddress() const override;
   std::string GetName() const override;