bluetooth: Implement hardware filtering on macOS

device/bluetooth/test/mock_bluetooth_central_manager_mac.mm

Index: device/bluetooth/test/mock_bluetooth_central_manager_mac.mm
diff --git a/device/bluetooth/test/mock_bluetooth_central_manager_mac.mm b/device/bluetooth/test/mock_bluetooth_central_manager_mac.mm
index fbb0dff41e75d315a5044a6e61dde508fe7382fd..9ddb8eb8232e903a2ed29dfd4f3bb75e30d72a1b 100644
--- a/device/bluetooth/test/mock_bluetooth_central_manager_mac.mm
+++ b/device/bluetooth/test/mock_bluetooth_central_manager_mac.mm
@@ -33,6 +33,7 @@
 
 - (void)scanForPeripheralsWithServices:(NSArray*)serviceUUIDs
                                options:(NSDictionary*)options {
+  scan_uuids_.reset([serviceUUIDs retain]);
   _scanForPeripheralsCallCount++;
 }
 
@@ -53,4 +54,13 @@
   }
 }
 
+- (NSArray*)scan_uuids {
+  return scan_uuids_.get();
+}
+
+- (void)resetEventCounts {
+  _scanForPeripheralsCallCount = 0;
+  _stopScanCallCount = 0;
+}
+
 @end