This CL removes some of the unused CFWL widget flags.

xfa/fwl/cfwl_checkbox.h

Index: xfa/fwl/cfwl_checkbox.h
diff --git a/xfa/fwl/cfwl_checkbox.h b/xfa/fwl/cfwl_checkbox.h
index d228eee05706fd255fa1028ebcdda321d5a9f6b2..6df7440894e76284cbe68883f2858b7cc5ac42e7 100644
--- a/xfa/fwl/cfwl_checkbox.h
+++ b/xfa/fwl/cfwl_checkbox.h
@@ -13,33 +13,18 @@
 #include "xfa/fwl/cfwl_widget.h"
 #include "xfa/fwl/cfwl_widgetproperties.h"
 
-#define FWL_STYLEEXT_CKB_Left (0L << 0)
-#define FWL_STYLEEXT_CKB_Center (1L << 0)
-#define FWL_STYLEEXT_CKB_Right (2L << 0)
-#define FWL_STYLEEXT_CKB_Top (0L << 2)
-#define FWL_STYLEEXT_CKB_VCenter (1L << 2)
-#define FWL_STYLEEXT_CKB_Bottom (2L << 2)
-#define FWL_STYLEEXT_CKB_LeftText (1L << 4)
-#define FWL_STYLEEXT_CKB_MultiLine (1L << 5)
 #define FWL_STYLEEXT_CKB_3State (1L << 6)
 #define FWL_STYLEEXT_CKB_RadioButton (1L << 7)
-#define FWL_STYLEEXT_CKB_ShapeSolidSquare (0L << 8)
-#define FWL_STYLEEXT_CKB_ShapeSunkenSquare (1L << 8)
-#define FWL_STYLEEXT_CKB_ShapeSolidCircle (2L << 8)
-#define FWL_STYLEEXT_CKB_ShapeSunkenCircle (3L << 8)
-#define FWL_STYLEEXT_CKB_SignShapeCheck (0L << 10)
+#define FWL_STYLEEXT_CKB_SignShapeCheck 0
 #define FWL_STYLEEXT_CKB_SignShapeCircle (1L << 10)
 #define FWL_STYLEEXT_CKB_SignShapeCross (2L << 10)
 #define FWL_STYLEEXT_CKB_SignShapeDiamond (3L << 10)
 #define FWL_STYLEEXT_CKB_SignShapeSquare (4L << 10)
 #define FWL_STYLEEXT_CKB_SignShapeStar (5L << 10)
-#define FWL_STYLEEXT_CKB_HLayoutMask (3L << 0)
-#define FWL_STYLEEXT_CKB_VLayoutMask (3L << 2)
-#define FWL_STYLEEXT_CKB_ShapeMask (3L << 8)
 #define FWL_STYLEEXT_CKB_SignShapeMask (7L << 10)
 #define FWL_STATE_CKB_Hovered (1 << FWL_WGTSTATE_MAX)
 #define FWL_STATE_CKB_Pressed (1 << (FWL_WGTSTATE_MAX + 1))
-#define FWL_STATE_CKB_Unchecked (0 << (FWL_WGTSTATE_MAX + 2))
+#define FWL_STATE_CKB_Unchecked 0
 #define FWL_STATE_CKB_Checked (1 << (FWL_WGTSTATE_MAX + 2))
 #define FWL_STATE_CKB_Neutral (2 << (FWL_WGTSTATE_MAX + 2))
 #define FWL_STATE_CKB_CheckMask (3L << (FWL_WGTSTATE_MAX + 2))