[//services/passage_embeddings] Fix non-TfLite build

Change-Id: I86b1c5058e436c0b393de4a65635d60e508013e2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6532911
Commit-Queue: Judith Hemp <hempjudith@google.com>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1459334}

services/passage_embeddings/passage_embeddings_service.cc

@@ -21,9 +21,11 @@ PassageEmbeddingsService::PassageEmbeddingsService(
 
 PassageEmbeddingsService::~PassageEmbeddingsService() = default;
 
+#if BUILDFLAG(BUILD_WITH_TFLITE_LIB)
 void PassageEmbeddingsService::OnEmbedderDisconnect() {
   embedder_.reset();
 }
+#endif
 
 void PassageEmbeddingsService::LoadModels(
     mojom::PassageEmbeddingsLoadModelsParamsPtr model_params,

services/passage_embeddings/passage_embeddings_service.h

@@ -23,9 +23,6 @@ class PassageEmbeddingsService : public mojom::PassageEmbeddingsService {
   ~PassageEmbeddingsService() override;
 
  private:
-  // Called when the embedder remote disconnects.
-  void OnEmbedderDisconnect();
-
   // mojom::PassageEmbeddingsService:
   void LoadModels(mojom::PassageEmbeddingsLoadModelsParamsPtr model_params,
                   mojom::PassageEmbedderParamsPtr embedder_params,
@@ -35,6 +32,9 @@ class PassageEmbeddingsService : public mojom::PassageEmbeddingsService {
   mojo::Receiver<mojom::PassageEmbeddingsService> receiver_;
 
 #if BUILDFLAG(BUILD_WITH_TFLITE_LIB)
+  // Called when the embedder remote disconnects.
+  void OnEmbedderDisconnect();
+
   std::unique_ptr<PassageEmbedder> embedder_;
 #endif
 };