Remove CFWL_Note.

xfa/fwl/basewidget/ifwl_listbox.h

Index: xfa/fwl/basewidget/ifwl_listbox.h
diff --git a/xfa/fwl/basewidget/ifwl_listbox.h b/xfa/fwl/basewidget/ifwl_listbox.h
index d73ca0f38d3a8c3a009c34d110cf73dc85fe3ba6..1dd4d85500f7e785a7bdbc8b12d7f945646edee9 100644
--- a/xfa/fwl/basewidget/ifwl_listbox.h
+++ b/xfa/fwl/basewidget/ifwl_listbox.h
@@ -46,9 +46,6 @@
 #define FWL_WGTHITTEST_LTB_Item FWL_WGTHITTEST_MAX + 1
 #define FWL_WGTHITTEST_LTB_HScrollBar FWL_WGTHITTEST_MAX + 2
 #define FWL_WGTHITTEST_LTB_VScrollBar FWL_WGTHITTEST_MAX + 3
-// TODO(dsinclair): Event hash is hash of string, cleanup. pdfium:474
-#define FWL_EVTHASH_LTB_SelChanged 1701781688
-#define FWL_EVTHASH_LTB_DrawItem 1050853991
 
 typedef struct FWL_HLISTITEM_ { void* pData; } * FWL_HLISTITEM;
 
@@ -60,11 +57,11 @@ struct FWL_ListBoxItemData {
   int32_t iIndex;
 };
 
-BEGIN_FWL_EVENT_DEF(CFWL_EvtLtbSelChanged, FWL_EVTHASH_LTB_SelChanged)
+BEGIN_FWL_EVENT_DEF(CFWL_EvtLtbSelChanged, CFWL_EventType::SelectChanged)
 CFX_Int32Array iarraySels;
 END_FWL_EVENT_DEF
 
-BEGIN_FWL_EVENT_DEF(CFWL_EvtLtbDrawItem, FWL_EVTHASH_LTB_DrawItem)
+BEGIN_FWL_EVENT_DEF(CFWL_EvtLtbDrawItem, CFWL_EventType::DrawItem)
 CFX_Graphics* m_pGraphics;
 CFX_Matrix m_matrix;
 int32_t m_index;