Bringing 4 more BluetoothTest.* unit tests to Mac

device/bluetooth/test/bluetooth_test_mac.h

Index: device/bluetooth/test/bluetooth_test_mac.h
diff --git a/device/bluetooth/test/bluetooth_test_mac.h b/device/bluetooth/test/bluetooth_test_mac.h
index b6d15385ad33b33aacab8999c882cf7467bc8529..1f71297e6ecfda5308c238da9b9ff661de1a1bdb 100644
--- a/device/bluetooth/test/bluetooth_test_mac.h
+++ b/device/bluetooth/test/bluetooth_test_mac.h
@@ -15,6 +15,9 @@ class BluetoothAdapterMac;
 // Mac implementation of BluetoothTestBase.
 class BluetoothTestMac : public BluetoothTestBase {
  public:
+  static const std::string kTestPeripheralUUID1;
+  static const std::string kTestPeripheralUUID2;
+
   BluetoothTestMac();
   ~BluetoothTestMac() override;
 
@@ -25,8 +28,13 @@ class BluetoothTestMac : public BluetoothTestBase {
   void InitWithDefaultAdapter() override;
   void InitWithoutDefaultAdapter() override;
   void InitWithFakeAdapter() override;
+  void DiscoverLowEnergyDevice(int device_ordinal) override;
+  bool PlatformSupportsLowEnergy() override;
 
  protected:
+  // Utility function for finding CBUUIDs with relatively nice SHA256 hashes.
+  std::string FindCBUUIDForHashTarget();
+
   BluetoothAdapterMac* adapter_mac_ = NULL;
 };