Bug 1600283 - Replaced use of nsAutoPtr by UniquePtr. r=dom-workers-and-storage-reviewers,janv

Differential Revision: https://phabricator.services.mozilla.com/D55515

--HG--
extra : moz-landing-system : lando

dom/indexedDB/IDBDatabase.cpp

@@ -36,7 +36,6 @@
 #include "mozilla/ipc/FileDescriptor.h"
 #include "mozilla/ipc/InputStreamParams.h"
 #include "mozilla/ipc/InputStreamUtils.h"
-#include "nsAutoPtr.h"
 #include "nsCOMPtr.h"
 #include "mozilla/dom/Document.h"
 #include "nsIObserver.h"
@@ -280,7 +279,7 @@ void IDBDatabase::EnterSetVersionTransaction(uint64_t aNewVersion) {
   MOZ_ASSERT(mSpec);
   MOZ_ASSERT(!mPreviousSpec);
 
-  mPreviousSpec = new DatabaseSpec(*mSpec);
+  mPreviousSpec = MakeUnique<DatabaseSpec>(*mSpec);
 
   mSpec->metadata().version() = aNewVersion;
 }

dom/indexedDB/IDBDatabase.h

@@ -12,7 +12,7 @@
 #include "mozilla/dom/StorageTypeBinding.h"
 #include "mozilla/dom/quota/PersistenceType.h"
 #include "mozilla/DOMEventTargetHelper.h"
-#include "nsAutoPtr.h"
+#include "mozilla/UniquePtr.h"
 #include "nsDataHashtable.h"
 #include "nsHashKeys.h"
 #include "nsString.h"
@@ -63,10 +63,10 @@ class IDBDatabase final : public DOMEventTargetHelper {
   // and the world will explode.
   RefPtr<IDBFactory> mFactory;
 
-  nsAutoPtr<DatabaseSpec> mSpec;
+  UniquePtr<DatabaseSpec> mSpec;
 
   // Normally null except during a versionchange transaction.
-  nsAutoPtr<DatabaseSpec> mPreviousSpec;
+  UniquePtr<DatabaseSpec> mPreviousSpec;
 
   indexedDB::BackgroundDatabaseChild* mBackgroundActor;
 
@@ -222,7 +222,7 @@ class IDBDatabase final : public DOMEventTargetHelper {
     mBackgroundActor = nullptr;
   }
 
-  const DatabaseSpec* Spec() const { return mSpec; }
+  const DatabaseSpec* Spec() const { return mSpec.get(); }
 
   NS_DECL_ISUPPORTS_INHERITED
   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBDatabase, DOMEventTargetHelper)