Source release 18.6.0

core/test/reboot_test.h

@@ -6,6 +6,7 @@
 #define WVCDM_CORE_REBOOT_TEST_H_
 
 #include <map>
+#include <memory>
 #include <string>
 #include <vector>
 
@@ -37,6 +38,7 @@ class RebootTest : public WvCdmTestBaseWithEngine {
 
   // This is used to store each test's persistent data.
   static wvutil::FileSystem* file_system_;
+  static std::unique_ptr<wvutil::FileSystem> default_file_system_;
 
   // The persistent data for the current test.
   std::map<std::string, std::string> persistent_data_;