Download Service : Added leveldb proto layer

components/download/internal/test/test_store.cc

Index: components/download/internal/test/test_store.cc
diff --git a/components/download/internal/test/test_store.cc b/components/download/internal/test/test_store.cc
index 01faec77b989ba5ae43a2329756d599ec48826a2..2236a303c8d26d542fda0e5a105be900ee00394b 100644
--- a/components/download/internal/test/test_store.cc
+++ b/components/download/internal/test/test_store.cc
@@ -18,24 +18,24 @@ bool TestStore::IsInitialized() {
   return ready_;
 }
 
-void TestStore::Initialize(InitCallback callback) {
+void TestStore::Initialize(const InitCallback& callback) {
   init_called_ = true;
-  init_callback_ = std::move(callback);
+  init_callback_ = callback;
 }
 
-void TestStore::Destroy(StoreCallback callback) {
+void TestStore::Destroy(const StoreCallback& callback) {
   destroy_called_ = true;
-  destroy_callback_ = std::move(callback);
+  destroy_callback_ = callback;
 }
 
-void TestStore::Update(const Entry& entry, StoreCallback callback) {
+void TestStore::Update(const Entry& entry, const StoreCallback& callback) {
   updated_entries_.push_back(entry);
-  update_callback_ = std::move(callback);
+  update_callback_ = callback;
 }
 
-void TestStore::Remove(const std::string& guid, StoreCallback callback) {
+void TestStore::Remove(const std::string& guid, const StoreCallback& callback) {
   removed_entries_.push_back(guid);
-  remove_callback_ = std::move(callback);
+  remove_callback_ = callback;
 }
 
 // Callback trigger methods.
@@ -43,22 +43,22 @@ void TestStore::TriggerInit(bool success,
                             std::unique_ptr<std::vector<Entry>> entries) {
   ready_ = success;
   DCHECK(init_callback_);
-  std::move(init_callback_).Run(success, std::move(entries));
+  init_callback_.Run(success, std::move(entries));
 }
 
 void TestStore::TriggerDestroy(bool success) {
   DCHECK(destroy_callback_);
-  std::move(destroy_callback_).Run(success);
+  destroy_callback_.Run(success);
 }
 
 void TestStore::TriggerUpdate(bool success) {
   DCHECK(update_callback_);
-  std::move(update_callback_).Run(success);
+  update_callback_.Run(success);
 }
 
 void TestStore::TriggerRemove(bool success) {
   DCHECK(remove_callback_);
-  std::move(remove_callback_).Run(success);
+  remove_callback_.Run(success);
 }
 
 const Entry* TestStore::LastUpdatedEntry() const {