Make code compile with clang_use_chrome_plugin (part IV)

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 7d202f7b9c7049361e3b39a21ba0a97dd174e0dd..dd927c0367aaff1032efb8215c48ff8d173af21e 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1123,7 +1123,6 @@ if (pdf_enable_xfa) {
       "xfa/fxbarcode/BC_BinaryBitmap.h",
       "xfa/fxbarcode/BC_BufferedImageLuminanceSource.cpp",
       "xfa/fxbarcode/BC_BufferedImageLuminanceSource.h",
-      "xfa/fxbarcode/BC_DecoderResult.h",
       "xfa/fxbarcode/BC_Dimension.cpp",
       "xfa/fxbarcode/BC_Dimension.h",
       "xfa/fxbarcode/BC_Library.cpp",
@@ -1376,6 +1375,7 @@ if (pdf_enable_xfa) {
       "xfa/fxbarcode/qrcode/BC_QRGridSampler.cpp",
       "xfa/fxbarcode/qrcode/BC_QRGridSampler.h",
       "xfa/fxbarcode/utils.h",
+      "xfa/fxfa/app/cxfa_eventparam.cpp",
       "xfa/fxfa/app/xfa_checksum.cpp",
       "xfa/fxfa/app/xfa_ffapp.cpp",
       "xfa/fxfa/app/xfa_ffbarcode.cpp",
@@ -1438,6 +1438,7 @@ if (pdf_enable_xfa) {
       "xfa/fxfa/fm2js/xfa_program.h",
       "xfa/fxfa/fm2js/xfa_simpleexpression.cpp",
       "xfa/fxfa/fm2js/xfa_simpleexpression.h",
+      "xfa/fxfa/include/cxfa_eventparam.h",
       "xfa/fxfa/include/fxfa.h",
       "xfa/fxfa/include/fxfa_basic.h",
       "xfa/fxfa/include/fxfa_widget.h",