The first 3 BluetoothTest.* unit tests now running on Mac as well.

device/bluetooth/test/mock_bluetooth_central_manager_mac.h

Index: device/bluetooth/test/mock_bluetooth_central_manager_mac.h
diff --git a/device/bluetooth/test/mock_bluetooth_central_manager_mac.h b/device/bluetooth/test/mock_bluetooth_central_manager_mac.h
index 9ffb6b09a7bd6340ee64e4f8d24fd8d27c7daaf6..f026b77109db03445aa07e63215fac84a1838171 100644
--- a/device/bluetooth/test/mock_bluetooth_central_manager_mac.h
+++ b/device/bluetooth/test/mock_bluetooth_central_manager_mac.h
@@ -23,6 +23,7 @@
 @property(nonatomic, assign) BOOL scanForPeripheralsCallCount;
 @property(nonatomic, assign) BOOL stopScanCallCount;
 @property(nonatomic, assign) id<CBCentralManagerDelegate> delegate;
+@property(nonatomic, assign) CBCentralManagerState state;
 
 // Designated initializer
 - (instancetype)init;
@@ -31,8 +32,6 @@
                            queue:(dispatch_queue_t)queue
                          options:(NSDictionary*)options;
 
-- (CBCentralManagerState)state;
-
 - (void)scanForPeripheralsWithServices:(NSArray*)serviceUUIDs
                                options:(NSDictionary*)options;