Remove FX_DWORD from core/ and delete definition

core/fpdfapi/fpdf_font/cpdf_type1font.cpp

Index: core/fpdfapi/fpdf_font/cpdf_type1font.cpp
diff --git a/core/fpdfapi/fpdf_font/cpdf_type1font.cpp b/core/fpdfapi/fpdf_font/cpdf_type1font.cpp
index 5a6ee34362f52d0cec00827adcdb2f285ded39b5..b2f3ec898ba5e5d92af0ddbae69788d5da7bc74e 100644
--- a/core/fpdfapi/fpdf_font/cpdf_type1font.cpp
+++ b/core/fpdfapi/fpdf_font/cpdf_type1font.cpp
@@ -102,7 +102,7 @@ FX_BOOL CPDF_Type1Font::Load() {
   return LoadCommon();
 }
 
-int CPDF_Type1Font::GlyphFromCharCodeExt(FX_DWORD charcode) {
+int CPDF_Type1Font::GlyphFromCharCodeExt(uint32_t charcode) {
   if (charcode > 0xff) {
     return -1;
   }