Remove dead code found by Scythe.

fpdfsdk/include/formfiller/FFL_FormFiller.h

Index: fpdfsdk/include/formfiller/FFL_FormFiller.h
diff --git a/fpdfsdk/include/formfiller/FFL_FormFiller.h b/fpdfsdk/include/formfiller/FFL_FormFiller.h
index c597d1e41f645fdb07df63eb3ce0bc5a1c6206a1..fc858a8822f390dde768d93e0a67b7cc5f8e2827 100644
--- a/fpdfsdk/include/formfiller/FFL_FormFiller.h
+++ b/fpdfsdk/include/formfiller/FFL_FormFiller.h
@@ -18,14 +18,6 @@ class CPDFSDK_PageView;
 class CPDFSDK_Document;
 class CPDFSDK_Widget;
 
-struct FFL_KeyStrokeData
-{
-	CFX_WideString		swValue;
-	FX_BOOL				bFull;
-	int					nSelStart;
-	int					nSelEnd;
-};
-
 class CFFL_FormFiller : public IPWL_Provider, public CPWL_TimerHandler
 {
 public:
@@ -107,8 +99,6 @@ public:
 	virtual FX_BOOL				IsDataChanged(CPDFSDK_PageView* pPageView);
 	virtual void				SaveData(CPDFSDK_PageView* pPageView);
 
-	virtual void				GetKeyStrokeData(CPDFSDK_PageView* pPageView, FFL_KeyStrokeData& data);
-
 	CPWL_Wnd*					GetPDFWindow(CPDFSDK_PageView* pPageView, FX_BOOL bNew);
 	void						DestroyPDFWindow(CPDFSDK_PageView* pPageView);
 	void						EscapeFiller(CPDFSDK_PageView* pPageView, FX_BOOL bDestroyPDFWindow);