General: Apply the const specifier where applicable

Source/Core/Core/FifoPlayer/FifoDataFile.h

@@ -67,7 +67,7 @@ public:
 
 	void AddFrame(const FifoFrameInfo &frameInfo);
 	const FifoFrameInfo &GetFrame(u32 frame) const { return m_Frames[frame]; }
-	u32 GetFrameCount() { return static_cast<u32>(m_Frames.size()); }
+	u32 GetFrameCount() const { return static_cast<u32>(m_Frames.size()); }
 
 	bool Save(const std::string& filename);
 

Source/Core/Core/FifoPlayer/FifoRecorder.h

@@ -36,7 +36,7 @@ public:
 	void SetVideoMemory(u32 *bpMem, u32 *cpMem, u32 *xfMem, u32 *xfRegs, u32 xfRegsSize);
 
 	// Checked once per frame prior to callng EndFrame()
-	bool IsRecording() { return m_IsRecording; }
+	bool IsRecording() const { return m_IsRecording; }
 
 	static FifoRecorder &GetInstance();