Remove FX_DWORD from XFA, part 2

Some headers were missed in the previous CL.

Review URL: https://codereview.chromium.org/1835703002
diff --git a/xfa/include/fwl/theme/comboboxtp.h b/xfa/include/fwl/theme/comboboxtp.h
index 0cf13a4..74d49b4 100644
--- a/xfa/include/fwl/theme/comboboxtp.h
+++ b/xfa/include/fwl/theme/comboboxtp.h
@@ -15,14 +15,14 @@
   virtual ~CFWL_ComboBoxTP();
   virtual FX_BOOL IsValidWidget(IFWL_Widget* pWidget);
   virtual FX_BOOL DrawBackground(CFWL_ThemeBackground* pParams);
-  virtual void* GetCapacity(CFWL_ThemePart* pThemePart, FX_DWORD dwCapacity);
+  virtual void* GetCapacity(CFWL_ThemePart* pThemePart, uint32_t dwCapacity);
 
  protected:
   void DrawDropDownButton(CFWL_ThemeBackground* pParams,
-                          FX_DWORD dwStates,
+                          uint32_t dwStates,
                           CFX_Matrix* pMatrix);
   void DrawStrethHandler(CFWL_ThemeBackground* pParams,
-                         FX_DWORD dwStates,
+                         uint32_t dwStates,
                          CFX_Matrix* pMatrix);
 };