Change std:unique_ptr to UniquePtr

This is causing Rapid build fail with error message like "error: no template named 'make_unique' in namespace 'std'; did you mean 'MakeUnique'?"
Since we have our own implementation, we should use it consistently.

PiperOrigin-RevId: 320681249

Author: chkuang-g

database/src/desktop/database_desktop.cc

@@ -287,8 +287,8 @@ void DatabaseInternal::UnregisterAllChildListeners(
 void DatabaseInternal::EnsureRepo() {
   MutexLock lock(repo_mutex_);
   if (!repo_) {
-    repo_ = std::make_unique<Repo>(app_, this, database_url_.c_str(), &logger_,
-                                   persistence_enabled_);
+    repo_ = MakeUnique<Repo>(app_, this, database_url_.c_str(), &logger_,
+                             persistence_enabled_);
   }
 }
 

database/src/desktop/database_desktop.h

@@ -26,6 +26,7 @@
 #include "app/src/mutex.h"
 #include "app/src/safe_reference.h"
 #include "app/src/scheduler.h"
+#include "app/memory/unique_ptr.h"
 #include "database/src/common/listener.h"
 #include "database/src/common/query_spec.h"
 #include "database/src/desktop/connection/host_info.h"
@@ -208,7 +209,7 @@ class DatabaseInternal {
 
   Mutex repo_mutex_;
   // The local copy of the repository, for offline support and local caching.
-  std::unique_ptr<Repo> repo_;
+  UniquePtr<Repo> repo_;
 };
 
 }  // namespace internal