DolphinQt: Make WrapInScrollArea and GetWrappedWidget less hacky.

Source/Core/DolphinQt/CheatSearchWidget.h

@@ -5,19 +5,13 @@
 
 #include <QWidget>
 
-#include <functional>
-#include <optional>
 #include <string>
 #include <unordered_map>
-#include <vector>
 
 #include "Common/CommonTypes.h"
+#include "Core/ActionReplay.h"
 #include "Core/CheatSearch.h"
 
-namespace ActionReplay
-{
-struct ARCode;
-}
 namespace Core
 {
 class System;
@@ -57,7 +51,7 @@ public:
 signals:
   void ActionReplayCodeGenerated(const ActionReplay::ARCode& ar_code);
   void RequestWatch(QString name, u32 address);
-  void ShowMemory(const u32 address);
+  void ShowMemory(u32 address);
 
 private:
   void CreateWidgets();