refactor(indexeddb): remove nested memory store from MediaStore impl

Signed-off-by: Michael Goldenberg <[email protected]>

Author: mgoldenberg

crates/matrix-sdk-indexeddb/src/media_store/builder.rs

@@ -14,7 +14,7 @@
 
 use std::{rc::Rc, sync::Arc};
 
-use matrix_sdk_base::media::store::{MediaService, MemoryMediaStore};
+use matrix_sdk_base::media::store::MediaService;
 use matrix_sdk_store_encryption::StoreCipher;
 
 use crate::{
@@ -67,7 +67,6 @@ impl IndexeddbMediaStoreBuilder {
             inner: Rc::new(open_and_upgrade_db(&self.database_name).await?),
             serializer: IndexedTypeSerializer::new(SafeEncodeSerializer::new(self.store_cipher)),
             media_service: MediaService::new(),
-            memory_store: MemoryMediaStore::new(),
         })
     }
 }

crates/matrix-sdk-indexeddb/src/media_store/mod.rs

@@ -33,7 +33,7 @@ use matrix_sdk_base::{
     media::{
         store::{
             IgnoreMediaRetentionPolicy, MediaRetentionPolicy, MediaService, MediaStore,
-            MediaStoreInner, MemoryMediaStore,
+            MediaStoreInner,
         },
         MediaRequestParameters,
     },
@@ -66,12 +66,6 @@ pub struct IndexeddbMediaStore {
     // A service for conveniently delegating media-related queries to an `MediaStoreInner`
     // implementation
     media_service: MediaService,
-    // An in-memory store for providing temporary implementations for
-    // functions of `MediaStore`.
-    //
-    // NOTE: This will be removed once we have IndexedDB-backed implementations for all
-    // functions in `MediaStore`.
-    memory_store: MemoryMediaStore,
 }
 
 impl IndexeddbMediaStore {