ALL: Make simpleSaveNames() a MetaEngineFeature

Added it into hasFeature() of all engines which returned `true` in
simpleSaveNames() before.

As mentioned in #788, SCI is not always using simple names, so it
doesn't have such feature now.

1 files changed, 1 insertions, 3 deletions

diff --git a/engines/adl/detection.cpp b/engines/adl/detection.cpp
index 7031a58ec4..af51f95fe7 100644
--- a/engines/adl/detection.cpp
+++ b/engines/adl/detection.cpp
@@ -175,7 +175,6 @@ public:
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 	int getMaximumSaveSlot() const { return 'O' - 'A'; }
 	SaveStateList listSaves(const char *target) const;
-	virtual bool simpleSaveNames() const;
 	void removeSaveState(const char *target, int slot) const;
 
 	bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const;
@@ -190,6 +189,7 @@ bool AdlMetaEngine::hasFeature(MetaEngineFeature f) const {
 	case kSavesSupportThumbnail:
 	case kSavesSupportCreationDate:
 	case kSavesSupportPlayTime:
+	case kSimpleSavesNames:
 		return true;
 	default:
 		return false;
@@ -290,8 +290,6 @@ SaveStateList AdlMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
-bool AdlMetaEngine::simpleSaveNames() const { return true; }
-
 void AdlMetaEngine::removeSaveState(const char *target, int slot) const {
 	Common::String fileName = Common::String::format("%s.s%02d", target, slot);
 	g_system->getSavefileManager()->removeSavefile(fileName);