Unify window fullscreen and minimizing implementation

components/sessions/core/session_service_commands.cc

Index: components/sessions/core/session_service_commands.cc
diff --git a/components/sessions/core/session_service_commands.cc b/components/sessions/core/session_service_commands.cc
index ecedfe642e78b818905e43dd1e083fe4ecc05d64..c841916e32e2af2549ce58dfc1e87e8cb2e75686 100644
--- a/components/sessions/core/session_service_commands.cc
+++ b/components/sessions/core/session_service_commands.cc
@@ -114,7 +114,9 @@ enum PersistedWindowShowState {
   PERSISTED_SHOW_STATE_FULLSCREEN = 5,
   PERSISTED_SHOW_STATE_DETACHED_DEPRECATED = 6,
   PERSISTED_SHOW_STATE_DOCKED = 7,
-  PERSISTED_SHOW_STATE_END = 7
+  // SHOW_STATE_PREVIOUS (8) never persisted.
+  PERSISTED_SHOW_STATE_PREVIOUS = 8,
+  PERSISTED_SHOW_STATE_END = 8
 };
 
 using IdToSessionTab =
@@ -147,6 +149,7 @@ PersistedWindowShowState ShowStateToPersistedShowState(
     case ui::SHOW_STATE_INACTIVE:
       return PERSISTED_SHOW_STATE_NORMAL;
 
+    case ui::SHOW_STATE_PREVIOUS:
     case ui::SHOW_STATE_END:
       break;
   }