XFA: Remove many relative includes in xfa/

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index d881d00c49d6008e828de9d5e025463842d46257..487b604840562d6363fb95001901fc0da69886ee 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -899,8 +899,6 @@ if (pdf_enable_xfa) {
       "xfa/src/fee/src/fee/fde_txtedtbuf.h",
       "xfa/src/fee/src/fee/fde_txtedtengine.cpp",
       "xfa/src/fee/src/fee/fde_txtedtengine.h",
-      "xfa/src/fee/src/fee/fde_txtedtkmpmatch.cpp",
-      "xfa/src/fee/src/fee/fde_txtedtkmpmatch.h",
       "xfa/src/fee/src/fee/fde_txtedtpage.cpp",
       "xfa/src/fee/src/fee/fde_txtedtpage.h",
       "xfa/src/fee/src/fee/fde_txtedtparag.cpp",
@@ -926,7 +924,6 @@ if (pdf_enable_xfa) {
       "xfa/src/fgas/include/fx_utl.h",
       "xfa/src/fgas/src/crt/fx_algorithm.cpp",
       "xfa/src/fgas/src/crt/fx_codepage.cpp",
-      "xfa/src/fgas/src/crt/fx_codepage.h",
       "xfa/src/fgas/src/crt/fx_encode.cpp",
       "xfa/src/fgas/src/crt/fx_memory.cpp",
       "xfa/src/fgas/src/crt/fx_memory.h",
@@ -1336,7 +1333,6 @@ if (pdf_enable_xfa) {
       "xfa/src/fxfa/src/app/xfa_textlayout.h",
       "xfa/src/fxfa/src/common/fxfa_localevalue.h",
       "xfa/src/fxfa/src/common/xfa_common.h",
-      "xfa/src/fxfa/src/common/xfa_debug.h",
       "xfa/src/fxfa/src/common/xfa_docdata.h",
       "xfa/src/fxfa/src/common/xfa_doclayout.h",
       "xfa/src/fxfa/src/common/xfa_document.h",
@@ -1350,7 +1346,6 @@ if (pdf_enable_xfa) {
       "xfa/src/fxfa/src/fm2js/xfa_error.h",
       "xfa/src/fxfa/src/fm2js/xfa_expression.cpp",
       "xfa/src/fxfa/src/fm2js/xfa_expression.h",
-      "xfa/src/fxfa/src/fm2js/xfa_fm2js.cpp",
       "xfa/src/fxfa/src/fm2js/xfa_fm2js.h",
       "xfa/src/fxfa/src/fm2js/xfa_fm2jsapi.cpp",
       "xfa/src/fxfa/src/fm2js/xfa_fm2jscontext.cpp",
@@ -1366,14 +1361,11 @@ if (pdf_enable_xfa) {
       "xfa/src/fxfa/src/parser/xfa_basic_data.cpp",
       "xfa/src/fxfa/src/parser/xfa_basic_imp.cpp",
       "xfa/src/fxfa/src/parser/xfa_basic_imp.h",
-      "xfa/src/fxfa/src/parser/xfa_debug_parser.cpp",
-      "xfa/src/fxfa/src/parser/xfa_debug_parser.h",
       "xfa/src/fxfa/src/parser/xfa_document_datadescription_imp.cpp",
       "xfa/src/fxfa/src/parser/xfa_document_datadescription_imp.h",
       "xfa/src/fxfa/src/parser/xfa_document_datamerger_imp.cpp",
       "xfa/src/fxfa/src/parser/xfa_document_datamerger_imp.h",
       "xfa/src/fxfa/src/parser/xfa_document_imp.cpp",
-      "xfa/src/fxfa/src/parser/xfa_document_imp.h",
       "xfa/src/fxfa/src/parser/xfa_document_layout_imp.cpp",
       "xfa/src/fxfa/src/parser/xfa_document_layout_imp.h",
       "xfa/src/fxfa/src/parser/xfa_document_serialize.cpp",