COMMON: Remove the EventRecorder dependency from OSystem

EventRecorder is in the gui lib which is not linked in the cxxtest suite.

backends/platform/sdl/sdl.cpp

@@ -492,6 +492,14 @@ AudioCDManager *OSystem_SDL::createAudioCDManager() {
 #endif
 }
 
+Common::SaveFileManager *OSystem_SDL::getSavefileManager() {
+#ifdef ENABLE_EVENTRECORDER
+    return g_eventRec.getSaveManager(_savefileManager);
+#else
+    return _savefileManager;
+#endif
+}
+
 #ifdef USE_OPENGL
 
 const OSystem::GraphicsMode *OSystem_SDL::getSupportedGraphicsModes() const {

backends/platform/sdl/sdl.h

@@ -76,6 +76,7 @@ public:
 	virtual void getTimeAndDate(TimeDate &td) const;
 	virtual Audio::Mixer *getMixer();
 	virtual Common::TimerManager *getTimerManager();
+	virtual Common::SaveFileManager *getSavefileManager();
 
 protected:
 	bool _inited;

common/system.cpp

@@ -30,9 +30,6 @@
 #include "common/taskbar.h"
 #include "common/updates.h"
 #include "common/textconsole.h"
-#ifdef ENABLE_EVENTRECORDER
-#include "gui/EventRecorder.h"
-#endif
 
 #include "backends/audiocd/default/default-audiocd.h"
 #include "backends/fs/fs-factory.h"
@@ -161,9 +158,5 @@ Common::TimerManager *OSystem::getTimerManager() {
 }
 
 Common::SaveFileManager *OSystem::getSavefileManager() {
-#ifdef ENABLE_EVENTRECORDER
-	return g_eventRec.getSaveManager(_savefileManager);
-#else
 	return _savefileManager;
-#endif
 }

common/system.h

@@ -1090,7 +1090,7 @@ public:
 	 * and other modifiable persistent game data. For more information,
 	 * refer to the SaveFileManager documentation.
 	 */
-	Common::SaveFileManager *getSavefileManager();
+	virtual Common::SaveFileManager *getSavefileManager();
 
 #if defined(USE_TASKBAR)
 	/**