bmc: firmware handler owns update mechanism

The firmware handler owns the update mechanism object.  The update
mechanism is currently unused.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I5051ee6597f66de941ad7c1f209f6cb7e3d5a835
diff --git a/test/firmware_stat_unittest.cpp b/test/firmware_stat_unittest.cpp
index beab6f9..54c8be4 100644
--- a/test/firmware_stat_unittest.cpp
+++ b/test/firmware_stat_unittest.cpp
@@ -1,3 +1,4 @@
+#include "bmc_update_mock.hpp"
 #include "firmware_handler.hpp"
 #include "image_mock.hpp"
 #include "util.hpp"
@@ -29,7 +30,7 @@
     };
 
     auto handler = FirmwareBlobHandler::CreateFirmwareBlobHandler(
-        blobs, data, CreateVerifyMock());
+        blobs, data, CreateVerifyMock(), CreateUpdateMock());
 
     struct blobs::BlobMeta meta;
     EXPECT_TRUE(handler->stat("asdf", &meta));