Cleanup unused methods and return values in FWL code.

xfa/fwl/theme/cfwl_utils.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FWL_THEME_CFWL_UTILS_H_
 #define XFA_FWL_THEME_CFWL_UTILS_H_
 
 #include "core/fxcrt/fx_system.h"
 
 enum FWLTHEME_EDGE {
   FWLTHEME_EDGE_Flat = 0,
   FWLTHEME_EDGE_Raised,
   FWLTHEME_EDGE_Sunken
 };
 
 enum FWLTHEME_STATE {
   FWLTHEME_STATE_Normal = 1,
   FWLTHEME_STATE_Hover,
   FWLTHEME_STATE_Pressed,
-  FWLTHEME_STATE_Disabale
+  FWLTHEME_STATE_Disable
 };
 
 enum FWLTHEME_DIRECTION {
   FWLTHEME_DIRECTION_Up = 0,
   FWLTHEME_DIRECTION_Down,
   FWLTHEME_DIRECTION_Left,
   FWLTHEME_DIRECTION_Right
 };
 
 #define FWLTHEME_COLOR_EDGERB1 (ArgbEncode(255, 241, 239, 226))
 #define FWLTHEME_COLOR_Background (ArgbEncode(255, 236, 233, 216))
 #define FWLTHEME_COLOR_BKSelected (ArgbEncode(255, 153, 193, 218))
 #define FWLTHEME_COLOR_Green_BKSelected (ArgbEncode(255, 147, 160, 112))
 
 #define FWLTHEME_CAPACITY_FontSize 12.0f
 #define FWLTHEME_CAPACITY_TextColor (ArgbEncode(255, 0, 0, 0))
 #define FWLTHEME_CAPACITY_TextDisColor (ArgbEncode(255, 172, 168, 153))
 
 #endif  // XFA_FWL_THEME_CFWL_UTILS_H_