DMAPusher: Improve collection of non executing methods

src/video_core/engines/maxwell_3d.h

@@ -3123,6 +3123,8 @@ private:
 
     void ProcessDirtyRegisters(u32 method, u32 argument);
 
+    void ConsumeSinkImpl() override;
+
     void ProcessMethodCall(u32 method, u32 argument, u32 nonshadow_argument, bool is_last_call);
 
     /// Retrieves information about a specific TIC entry from the TIC buffer.
@@ -3172,6 +3174,8 @@ private:
 
     void RefreshParametersImpl();
 
+    bool IsMethodExecutable(u32 method);
+
     Core::System& system;
     MemoryManager& memory_manager;